125331361 has 16 divisors (see below), whose sum is σ = 134956800. Its totient is φ = 115976448.

The previous prime is 125331343. The next prime is 125331377. The reversal of 125331361 is 163133521.

It is not a de Polignac number, because 125331361 - 2¹³ = 125323169 is a prime.

It is a super-2 number, since 2×125331361² = 31415900100224642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125331331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442726 + ... + 443008.

It is an arithmetic number, because the mean of its divisors is an integer number (8434800).

Almost surely, 2^125331361 is an apocalyptic number.

It is an amenable number.

125331361 is a deficient number, since it is larger than the sum of its proper divisors (9625439).

125331361 is a wasteful number, since it uses less digits than its factorization.

125331361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648.

The product of its digits is 1620, while the sum is 25.

The square root of 125331361 is about 11195.1489940956. The cubic root of 125331361 is about 500.4414248402.

Adding to 125331361 its reverse (163133521), we get a palindrome (288464882).

The spelling of 125331361 in words is "one hundred twenty-five million, three hundred thirty-one thousand, three hundred sixty-one".