101425121 has 8 divisors (see below), whose sum is σ = 116828160. Its totient is φ = 86250528.

The previous prime is 101425117. The next prime is 101425123. The reversal of 101425121 is 121524101.

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

It is not a de Polignac number, because 101425121 - 2² = 101425117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101425121.

It is not an unprimeable number, because it can be changed into a prime (101425123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56156 + ... + 57933.

It is an arithmetic number, because the mean of its divisors is an integer number (14603520).

Almost surely, 2^101425121 is an apocalyptic number.

It is an amenable number.

101425121 is a deficient number, since it is larger than the sum of its proper divisors (15403039).

101425121 is a wasteful number, since it uses less digits than its factorization.

101425121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114223.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 101425121 is about 10071.0039717994. The cubic root of 101425121 is about 466.3534330539.

Subtracting from 101425121 its product of nonzero digits (80), we obtain a square (101425041 = 10071²).

Adding to 101425121 its reverse (121524101), we get a palindrome (222949222).

The spelling of 101425121 in words is "one hundred one million, four hundred twenty-five thousand, one hundred twenty-one".