125213454 has 24 divisors (see below), whose sum is σ = 276416712. Its totient is φ = 40950000.

The previous prime is 125213411. The next prime is 125213461. The reversal of 125213454 is 454312521.

It is a super-2 number, since 2×125213454² = 31356818125220232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64672 + ... + 66579.

It is an arithmetic number, because the mean of its divisors is an integer number (11517363).

Almost surely, 2^125213454 is an apocalyptic number.

125213454 is an abundant number, since it is smaller than the sum of its proper divisors (151203258).

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

125213454 is a wasteful number, since it uses less digits than its factorization.

125213454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131312 (or 131309 counting only the distinct ones).

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

The square root of 125213454 is about 11189.8817688124. The cubic root of 125213454 is about 500.2844434865.

Adding to 125213454 its reverse (454312521), we get a palindrome (579525975).

It can be divided in two parts, 1252 and 13454, that added together give a triangular number (14706 = T₁₇₁).

The spelling of 125213454 in words is "one hundred twenty-five million, two hundred thirteen thousand, four hundred fifty-four".