125424331 has 4 divisors (see below), whose sum is σ = 126074392. Its totient is φ = 124774272.

The previous prime is 125424319. The next prime is 125424361. The reversal of 125424331 is 133424521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133424521 = 3037 ⋅43933.

It is a cyclic number.

It is not a de Polignac number, because 125424331 - 2⁷ = 125424203 is a prime.

It is a super-2 number, since 2×125424331² = 31462525613595122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125424296 and 125424305.

It is not an unprimeable number, because it can be changed into a prime (125424361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324741 + ... + 325126.

It is an arithmetic number, because the mean of its divisors is an integer number (31518598).

Almost surely, 2^125424331 is an apocalyptic number.

125424331 is a deficient number, since it is larger than the sum of its proper divisors (650061).

125424331 is an equidigital number, since it uses as much as digits as its factorization.

125424331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650060.

The product of its digits is 2880, while the sum is 25.

The square root of 125424331 is about 11199.3004692257. The cubic root of 125424331 is about 500.5651356694.

Adding to 125424331 its reverse (133424521), we get a palindrome (258848852).

The spelling of 125424331 in words is "one hundred twenty-five million, four hundred twenty-four thousand, three hundred thirty-one".