102412534 has 16 divisors (see below), whose sum is σ = 178443936. Its totient is φ = 43171200.

The previous prime is 102412517. The next prime is 102412549. The reversal of 102412534 is 435214201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59107 + ... + 60814.

It is an arithmetic number, because the mean of its divisors is an integer number (11152746).

Almost surely, 2^102412534 is an apocalyptic number.

102412534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

102412534 is a deficient number, since it is larger than the sum of its proper divisors (76031402).

102412534 is a wasteful number, since it uses less digits than its factorization.

102412534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119991.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 102412534 is about 10119.9078059042. The cubic root of 102412534 is about 467.8619256886.

Adding to 102412534 its reverse (435214201), we get a palindrome (537626735).

The spelling of 102412534 in words is "one hundred two million, four hundred twelve thousand, five hundred thirty-four".