102430520 has 32 divisors (see below), whose sum is σ = 242600400. Its totient is φ = 38815488.

The previous prime is 102430519. The next prime is 102430547. The reversal of 102430520 is 25034201.

It is a super-2 number, since 2×102430520² = 20984022854940800, which contains 22 as substring.

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, 66629 + ... + 68148.

Almost surely, 2^102430520 is an apocalyptic number.

102430520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102430520 is an abundant number, since it is smaller than the sum of its proper divisors (140169880).

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

102430520 is a wasteful number, since it uses less digits than its factorization.

102430520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134807 (or 134803 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 102430520 is about 10120.7964113502. The cubic root of 102430520 is about 467.8893131957.

Adding to 102430520 its reverse (25034201), we get a palindrome (127464721).

The spelling of 102430520 in words is "one hundred two million, four hundred thirty thousand, five hundred twenty".