125620021076 has 48 divisors (see below), whose sum is σ = 241007417280. Its totient is φ = 56817600000.

The previous prime is 125620021069. The next prime is 125620021091. The reversal of 125620021076 is 670120026521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28220651 + ... + 28225101.

It is an arithmetic number, because the mean of its divisors is an integer number (5020987860).

Almost surely, 2^125620021076 is an apocalyptic number.

It is an amenable number.

125620021076 is a deficient number, since it is larger than the sum of its proper divisors (115387396204).

125620021076 is a wasteful number, since it uses less digits than its factorization.

125620021076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7496 (or 7494 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 125620021076 its reverse (670120026521), we get a palindrome (795740047597).

Subtracting 125620021076 from its reverse (670120026521), we obtain a palindrome (544500005445).

The spelling of 125620021076 in words is "one hundred twenty-five billion, six hundred twenty million, twenty-one thousand, seventy-six".