125312454 has 32 divisors (see below), whose sum is σ = 280032480. Its totient is φ = 41536800.

The previous prime is 125312431. The next prime is 125312459. The reversal of 125312454 is 454213521.

It is a super-2 number, since 2×125312454² = 31406422255004232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125312459) 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, 3364 + ... + 16184.

It is an arithmetic number, because the mean of its divisors is an integer number (8751015).

Almost surely, 2^125312454 is an apocalyptic number.

125312454 is an abundant number, since it is smaller than the sum of its proper divisors (154720026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125312454 is a wasteful number, since it uses less digits than its factorization.

125312454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13013 (or 13007 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 125312454 is about 11194.3045340030. The cubic root of 125312454 is about 500.4162586946.

Adding to 125312454 its reverse (454213521), we get a palindrome (579525975).

The spelling of 125312454 in words is "one hundred twenty-five million, three hundred twelve thousand, four hundred fifty-four".