125760634021 has 8 divisors (see below), whose sum is σ = 137217816000. Its totient is φ = 114307518240.

The previous prime is 125760634009. The next prime is 125760634061. The reversal of 125760634021 is 120436067521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125760634021 - 2¹⁷ = 125760502949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125760634061) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 951696 + ... + 1075753.

It is an arithmetic number, because the mean of its divisors is an integer number (17152227000).

Almost surely, 2^125760634021 is an apocalyptic number.

125760634021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125760634021 is a deficient number, since it is larger than the sum of its proper divisors (11457181979).

125760634021 is a wasteful number, since it uses less digits than its factorization.

125760634021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033099.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 125760634021 in words is "one hundred twenty-five billion, seven hundred sixty million, six hundred thirty-four thousand, twenty-one".