125120051240520 has 192 divisors, whose sum is σ = 440966648635200. Its totient is φ = 28315711603200.

The previous prime is 125120051240501. The next prime is 125120051240539. The reversal of 125120051240520 is 25042150021521.

It is an interprime number because it is at equal distance from previous prime (125120051240501) and next prime (125120051240539).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104747310 + ... + 105935069.

It is an arithmetic number, because the mean of its divisors is an integer number (2296701294975).

Almost surely, 2^{125120051240520} is an apocalyptic number.

125120051240520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125120051240520 is an abundant number, since it is smaller than the sum of its proper divisors (315846597394680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125120051240520 is a wasteful number, since it uses less digits than its factorization.

125120051240520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210682508 (or 210682497 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The spelling of 125120051240520 in words is "one hundred twenty-five trillion, one hundred twenty billion, fifty-one million, two hundred forty thousand, five hundred twenty".