102344520 has 32 divisors (see below), whose sum is σ = 307033920. Its totient is φ = 27291840.

The previous prime is 102344513. The next prime is 102344533. The reversal of 102344520 is 25443201.

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, 426316 + ... + 426555.

It is an arithmetic number, because the mean of its divisors is an integer number (9594810).

Almost surely, 2^102344520 is an apocalyptic number.

102344520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102344520 is an abundant number, since it is smaller than the sum of its proper divisors (204689400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102344520 is a wasteful number, since it uses less digits than its factorization.

102344520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852885 (or 852881 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 102344520 is about 10116.5468416847. The cubic root of 102344520 is about 467.7583309211.

Adding to 102344520 its reverse (25443201), we get a palindrome (127787721).

The spelling of 102344520 in words is "one hundred two million, three hundred forty-four thousand, five hundred twenty".