102635057 has 12 divisors (see below), whose sum is σ = 120271140. Its totient is φ = 87325056.

The previous prime is 102635051. The next prime is 102635059. The reversal of 102635057 is 750536201.

It can be written as a sum of positive squares in 2 ways, for example, as 62236321 + 40398736 = 7889^2 + 6356^2 .

It is not a de Polignac number, because 102635057 - 2⁸ = 102634801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102635051) 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, 932 + ... + 14357.

It is an arithmetic number, because the mean of its divisors is an integer number (10022595).

Almost surely, 2^102635057 is an apocalyptic number.

It is an amenable number.

102635057 is a deficient number, since it is larger than the sum of its proper divisors (17636083).

102635057 is a wasteful number, since it uses less digits than its factorization.

102635057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15440 (or 15433 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 102635057 is about 10130.8961597679. The cubic root of 102635057 is about 468.2005389498.

The spelling of 102635057 in words is "one hundred two million, six hundred thirty-five thousand, fifty-seven".