94125421 has 8 divisors (see below), whose sum is σ = 102506040. Its totient is φ = 85907712.

The previous prime is 94125391. The next prime is 94125511. The reversal of 94125421 is 12452149.

It can be written as a sum of positive squares in 4 ways, for example, as 3132900 + 90992521 = 1770^2 + 9539^2 .

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 94125421 - 2⁵ = 94125389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 94125421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94126421) 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, 39520 + ... + 41833.

It is an arithmetic number, because the mean of its divisors is an integer number (12813255).

Almost surely, 2^94125421 is an apocalyptic number.

It is an amenable number.

94125421 is a deficient number, since it is larger than the sum of its proper divisors (8380619).

94125421 is a wasteful number, since it uses less digits than its factorization.

94125421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81455.

The product of its digits is 2880, while the sum is 28.

The square root of 94125421 is about 9701.8256529377. The cubic root of 94125421 is about 454.8857274516.

It can be divided in two parts, 941 and 25421, that added together give a palindrome (26362).

The spelling of 94125421 in words is "ninety-four million, one hundred twenty-five thousand, four hundred twenty-one".