102799425 has 24 divisors (see below), whose sum is σ = 179961696. Its totient is φ = 51600640.

The previous prime is 102799399. The next prime is 102799429. The reversal of 102799425 is 524997201.

It is not a de Polignac number, because 102799425 - 2⁵ = 102799393 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (102799429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39039 + ... + 41588.

It is an arithmetic number, because the mean of its divisors is an integer number (7498404).

Almost surely, 2^102799425 is an apocalyptic number.

102799425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102799425 is a deficient number, since it is larger than the sum of its proper divisors (77162271).

102799425 is a wasteful number, since it uses less digits than its factorization.

102799425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80657 (or 80652 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 102799425 is about 10139.0051287096. The cubic root of 102799425 is about 468.4503435915.

The spelling of 102799425 in words is "one hundred two million, seven hundred ninety-nine thousand, four hundred twenty-five".