102415630 has 32 divisors (see below), whose sum is σ = 195459840. Its totient is φ = 38568960.

The previous prime is 102415591. The next prime is 102415639. The reversal of 102415630 is 36514201.

It is a super-2 number, since 2×102415630² = 20977922536593800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102415639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7006 + ... + 15934.

It is an arithmetic number, because the mean of its divisors is an integer number (6108120).

Almost surely, 2^102415630 is an apocalyptic number.

102415630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102415630 is a deficient number, since it is larger than the sum of its proper divisors (93044210).

102415630 is a wasteful number, since it uses less digits than its factorization.

102415630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9004.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 102415630 is about 10120.0607705685. The cubic root of 102415630 is about 467.8666402350.

Adding to 102415630 its reverse (36514201), we get a palindrome (138929831).

The spelling of 102415630 in words is "one hundred two million, four hundred fifteen thousand, six hundred thirty".