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1121014201 = 1453771517
BaseRepresentation
bin100001011010001…
…0101000110111001
32220010101102101111
41002310111012321
54243434423301
6303123120321
736531314656
oct10264250671
92803342344
101121014201
1152586861a
122735130a1
1314b32a918
14a8c4cc2d
1568637551
hex42d151b9

1121014201 has 4 divisors (see below), whose sum is σ = 1121787172. Its totient is φ = 1120241232.

The previous prime is 1121014129. The next prime is 1121014217. The reversal of 1121014201 is 1024101211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1024101211 = 7146300173.

It can be written as a sum of positive squares in 2 ways, for example, as 830822976 + 290191225 = 28824^2 + 17035^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121014201 - 211 = 1121012153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121014261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384306 + ... + 387211.

It is an arithmetic number, because the mean of its divisors is an integer number (280446793).

Almost surely, 21121014201 is an apocalyptic number.

It is an amenable number.

1121014201 is a deficient number, since it is larger than the sum of its proper divisors (772971).

1121014201 is an equidigital number, since it uses as much as digits as its factorization.

1121014201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772970.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1121014201 is about 33481.5501582588. The cubic root of 1121014201 is about 1038.8121920322.

Adding to 1121014201 its reverse (1024101211), we get a palindrome (2145115412).

The spelling of 1121014201 in words is "one billion, one hundred twenty-one million, fourteen thousand, two hundred one".

Divisors: 1 1453 771517 1121014201