124730020725 has 24 divisors (see below), whose sum is σ = 208222452672. Its totient is φ = 65876822400.

The previous prime is 124730020631. The next prime is 124730020759. The reversal of 124730020725 is 527020037421.

It is not a de Polignac number, because 124730020725 - 2⁸ = 124730020469 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8065416 + ... + 8080865.

It is an arithmetic number, because the mean of its divisors is an integer number (8675935528).

Almost surely, 2^124730020725 is an apocalyptic number.

124730020725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124730020725 is a deficient number, since it is larger than the sum of its proper divisors (83492431947).

124730020725 is a wasteful number, since it uses less digits than its factorization.

124730020725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16146397 (or 16146392 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The spelling of 124730020725 in words is "one hundred twenty-four billion, seven hundred thirty million, twenty thousand, seven hundred twenty-five".