124887501225 has 18 divisors (see below), whose sum is σ = 223687391486. Its totient is φ = 66606667200.

The previous prime is 124887501203. The next prime is 124887501281. The reversal of 124887501225 is 522105788421.

124887501225 is a `hidden beast` number, since 1 + 2 + 48 + 87 + 501 + 2 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 27586552464 + 97300948761 = 166092^2 + 311931^2 .

It is not a de Polignac number, because 124887501225 - 2⁶ = 124887501161 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 277527556 + ... + 277528005.

Almost surely, 2^124887501225 is an apocalyptic number.

124887501225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124887501225 is a deficient number, since it is larger than the sum of its proper divisors (98799890261).

124887501225 is a wasteful number, since it uses less digits than its factorization.

124887501225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555055577 (or 555055569 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The spelling of 124887501225 in words is "one hundred twenty-four billion, eight hundred eighty-seven million, five hundred one thousand, two hundred twenty-five".