102880125 has 56 divisors (see below), whose sum is σ = 192674040. Its totient is φ = 54820800.

The previous prime is 102880121. The next prime is 102880147. The reversal of 102880125 is 521088201.

It can be written as a sum of positive squares in 4 ways, for example, as 20088324 + 82791801 = 4482^2 + 9099^2 .

It is not a de Polignac number, because 102880125 - 2² = 102880121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102880121) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 90561 + ... + 91689.

Almost surely, 2^102880125 is an apocalyptic number.

102880125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102880125 is a deficient number, since it is larger than the sum of its proper divisors (89793915).

102880125 is an frugal number, since it uses more digits than its factorization.

102880125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162 (or 1137 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 102880125 is about 10142.9840283814. The cubic root of 102880125 is about 468.5728930925.

The spelling of 102880125 in words is "one hundred two million, eight hundred eighty thousand, one hundred twenty-five".