125404331 has 8 divisors (see below), whose sum is σ = 139407744. Its totient is φ = 112023360.

The previous prime is 125404277. The next prime is 125404333. The reversal of 125404331 is 133404521.

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 125404331 - 2¹⁰ = 125403307 is a prime.

It is a super-2 number, since 2×125404331² = 31452492467115122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125404297 and 125404306.

It is not an unprimeable number, because it can be changed into a prime (125404333) 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, 155186 + ... + 155991.

It is an arithmetic number, because the mean of its divisors is an integer number (17425968).

Almost surely, 2^125404331 is an apocalyptic number.

125404331 is a deficient number, since it is larger than the sum of its proper divisors (14003413).

125404331 is a wasteful number, since it uses less digits than its factorization.

125404331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311221.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 125404331 is about 11198.4075207147. The cubic root of 125404331 is about 500.5385277674.

Adding to 125404331 its reverse (133404521), we get a palindrome (258808852).

The spelling of 125404331 in words is "one hundred twenty-five million, four hundred four thousand, three hundred thirty-one".