101625120973 has 4 divisors (see below), whose sum is σ = 101626335580. Its totient is φ = 101623906368.

The previous prime is 101625120953. The next prime is 101625120977. The reversal of 101625120973 is 379021526101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2568259684 + 99056861289 = 50678^2 + 314733^2 .

It is a cyclic number.

It is not a de Polignac number, because 101625120973 - 2⁵ = 101625120941 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 (101625120977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471708 + ... + 652501.

It is an arithmetic number, because the mean of its divisors is an integer number (25406583895).

Almost surely, 2^101625120973 is an apocalyptic number.

It is an amenable number.

101625120973 is a deficient number, since it is larger than the sum of its proper divisors (1214607).

101625120973 is an equidigital number, since it uses as much as digits as its factorization.

101625120973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214606.

The product of its (nonzero) digits is 22680, while the sum is 37.

The spelling of 101625120973 in words is "one hundred one billion, six hundred twenty-five million, one hundred twenty thousand, nine hundred seventy-three".