102552131 has 4 divisors (see below), whose sum is σ = 111875064. Its totient is φ = 93229200.

The previous prime is 102552127. The next prime is 102552157. The reversal of 102552131 is 131255201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102552131 - 2² = 102552127 is a prime.

It is a super-2 number, since 2×102552131² = 21033879145282322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102552161) 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, 4661450 + ... + 4661471.

It is an arithmetic number, because the mean of its divisors is an integer number (27968766).

Almost surely, 2^102552131 is an apocalyptic number.

102552131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102552131 is a deficient number, since it is larger than the sum of its proper divisors (9322933).

102552131 is an equidigital number, since it uses as much as digits as its factorization.

102552131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9322932.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 102552131 is about 10126.8026049687. The cubic root of 102552131 is about 468.0744077153.

The spelling of 102552131 in words is "one hundred two million, five hundred fifty-two thousand, one hundred thirty-one".