125453031 has 16 divisors (see below), whose sum is σ = 182840448. Its totient is φ = 75880800.

The previous prime is 125452997. The next prime is 125453033. The reversal of 125453031 is 130354521.

It is not a de Polignac number, because 125453031 - 2⁶ = 125452967 is a prime.

It is a super-2 number, since 2×125453031² = 31476925974173922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125452992 and 125453010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125453033) 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, 14340 + ... + 21366.

It is an arithmetic number, because the mean of its divisors is an integer number (11427528).

Almost surely, 2^125453031 is an apocalyptic number.

125453031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

125453031 is a deficient number, since it is larger than the sum of its proper divisors (57387417).

125453031 is a wasteful number, since it uses less digits than its factorization.

125453031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7582.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 125453031 is about 11200.5817259641. The cubic root of 125453031 is about 500.6033130672.

It can be divided in two parts, 12545 and 3031, that added together give a triangular number (15576 = T₁₇₆).

The spelling of 125453031 in words is "one hundred twenty-five million, four hundred fifty-three thousand, thirty-one".