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1102122401 = 1415977839
BaseRepresentation
bin100000110110001…
…0000110110100001
32211210211121201012
41001230100312201
54224120404101
6301210150305
736211612562
oct10154206641
92753747635
101102122401
11516134966
12269122395
13147444a43
14a6532169
1566b54bbb
hex41b10da1

1102122401 has 4 divisors (see below), whose sum is σ = 1102214400. Its totient is φ = 1102030404.

The previous prime is 1102122347. The next prime is 1102122451. The reversal of 1102122401 is 1042212011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1042212011 = 6211167801.

It is a cyclic number.

It is not a de Polignac number, because 1102122401 - 230 = 28380577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102122451) 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, 24761 + ... + 53078.

It is an arithmetic number, because the mean of its divisors is an integer number (275553600).

Almost surely, 21102122401 is an apocalyptic number.

It is an amenable number.

1102122401 is a deficient number, since it is larger than the sum of its proper divisors (91999).

1102122401 is an equidigital number, since it uses as much as digits as its factorization.

1102122401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91998.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1102122401 is about 33198.2288834811. The cubic root of 1102122401 is about 1032.9436017499.

Adding to 1102122401 its reverse (1042212011), we get a palindrome (2144334412).

The spelling of 1102122401 in words is "one billion, one hundred two million, one hundred twenty-two thousand, four hundred one".

Divisors: 1 14159 77839 1102122401