102557707 has 8 divisors (see below), whose sum is σ = 118132736. Its totient is φ = 87213672.

The previous prime is 102557701. The next prime is 102557731. The reversal of 102557707 is 707755201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102557707 - 2¹¹ = 102555659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102557701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56793 + ... + 58570.

It is an arithmetic number, because the mean of its divisors is an integer number (14766592).

Almost surely, 2^102557707 is an apocalyptic number.

102557707 is a deficient number, since it is larger than the sum of its proper divisors (15575029).

102557707 is a wasteful number, since it uses less digits than its factorization.

102557707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115497.

The product of its (nonzero) digits is 17150, while the sum is 34.

The square root of 102557707 is about 10127.0779102365. The cubic root of 102557707 is about 468.0828909962.

The spelling of 102557707 in words is "one hundred two million, five hundred fifty-seven thousand, seven hundred seven".