102648015 has 48 divisors (see below), whose sum is σ = 183036672. Its totient is φ = 53194752.

The previous prime is 102647999. The next prime is 102648031. The reversal of 102648015 is 510846201.

102648015 is a `hidden beast` number, since 1 + 0 + 2 + 648 + 0 + 15 = 666.

It is an interprime number because it is at equal distance from previous prime (102647999) and next prime (102648031).

It is not a de Polignac number, because 102648015 - 2⁴ = 102647999 is a prime.

It is a super-2 number, since 2×102648015² = 21073229966880450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102648015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 460194 + ... + 460416.

It is an arithmetic number, because the mean of its divisors is an integer number (3813264).

Almost surely, 2^102648015 is an apocalyptic number.

102648015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102648015 is a deficient number, since it is larger than the sum of its proper divisors (80388657).

102648015 is a wasteful number, since it uses less digits than its factorization.

102648015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 102648015 is about 10131.5356683970. The cubic root of 102648015 is about 468.2202420528.

The spelling of 102648015 in words is "one hundred two million, six hundred forty-eight thousand, fifteen".