125130787508 has 12 divisors (see below), whose sum is σ = 219123811872. Its totient is φ = 62523984120.

The previous prime is 125130787493. The next prime is 125130787531. The reversal of 125130787508 is 805787031521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10345610 + ... + 10357697.

It is an arithmetic number, because the mean of its divisors is an integer number (18260317656).

Almost surely, 2^125130787508 is an apocalyptic number.

It is an amenable number.

125130787508 is a deficient number, since it is larger than the sum of its proper divisors (93993024364).

125130787508 is a wasteful number, since it uses less digits than its factorization.

125130787508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20704822 (or 20704820 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 47.

The spelling of 125130787508 in words is "one hundred twenty-five billion, one hundred thirty million, seven hundred eighty-seven thousand, five hundred eight".