125989254 has 24 divisors (see below), whose sum is σ = 273187512. Its totient is φ = 41964000.

The previous prime is 125989243. The next prime is 125989271. The reversal of 125989254 is 452989521.

It is a happy number.

125989254 is a `hidden beast` number, since 1 + 2 + 598 + 9 + 2 + 54 = 666.

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, 37129 + ... + 40379.

It is an arithmetic number, because the mean of its divisors is an integer number (11382813).

Almost surely, 2^125989254 is an apocalyptic number.

125989254 is an abundant number, since it is smaller than the sum of its proper divisors (147198258).

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

125989254 is a wasteful number, since it uses less digits than its factorization.

125989254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5412 (or 5409 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 125989254 is about 11224.4934852313. The cubic root of 125989254 is about 501.3155410014.

The spelling of 125989254 in words is "one hundred twenty-five million, nine hundred eighty-nine thousand, two hundred fifty-four".