102949515 has 32 divisors (see below), whose sum is σ = 184757760. Its totient is φ = 54385632.

The previous prime is 102949499. The next prime is 102949529. The reversal of 102949515 is 515949201.

It is not a de Polignac number, because 102949515 - 2⁴ = 102949499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102949515.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10882 + ... + 18008.

It is an arithmetic number, because the mean of its divisors is an integer number (5773680).

Almost surely, 2^102949515 is an apocalyptic number.

102949515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102949515 is a deficient number, since it is larger than the sum of its proper divisors (81808245).

102949515 is a wasteful number, since it uses less digits than its factorization.

102949515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7248 (or 7242 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The square root of 102949515 is about 10146.4040428124. The cubic root of 102949515 is about 468.6782162077.

The spelling of 102949515 in words is "one hundred two million, nine hundred forty-nine thousand, five hundred fifteen".