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1121032241 = 72171345777
BaseRepresentation
bin100001011010001…
…1001100000110001
32220010102100010122
41002310121200301
54243441012431
6303123340025
736531421400
oct10264314061
92803370118
101121032241
1152588012a
12273521615
1314b335bb4
14a8c55637
156863ca7b
hex42d19831

1121032241 has 12 divisors (see below), whose sum is σ = 1380768228. Its totient is φ = 904361472.

The previous prime is 1121032223. The next prime is 1121032247. The reversal of 1121032241 is 1422301211.

It can be written as a sum of positive squares in 2 ways, for example, as 649230400 + 471801841 = 25480^2 + 21721^2 .

It is not a de Polignac number, because 1121032241 - 26 = 1121032177 is a prime.

It is a super-2 number, since 2×11210322412 = 2513426570722964162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (1121032247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 672056 + ... + 673721.

It is an arithmetic number, because the mean of its divisors is an integer number (115064019).

Almost surely, 21121032241 is an apocalyptic number.

It is an amenable number.

1121032241 is a deficient number, since it is larger than the sum of its proper divisors (259735987).

1121032241 is a wasteful number, since it uses less digits than its factorization.

1121032241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345808 (or 1345801 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1121032241 is about 33481.8195592772. The cubic root of 1121032241 is about 1038.8177643884.

Adding to 1121032241 its reverse (1422301211), we get a palindrome (2543333452).

The spelling of 1121032241 in words is "one billion, one hundred twenty-one million, thirty-two thousand, two hundred forty-one".

Divisors: 1 7 17 49 119 833 1345777 9420439 22878209 65943073 160147463 1121032241