125571954 has 16 divisors (see below), whose sum is σ = 256984992. Its totient is φ = 40883808.

The previous prime is 125571907. The next prime is 125571959. The reversal of 125571954 is 459175521.

It is not an unprimeable number, because it can be changed into a prime (125571959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243099 + ... + 243614.

It is an arithmetic number, because the mean of its divisors is an integer number (16061562).

Almost surely, 2^125571954 is an apocalyptic number.

125571954 is an abundant number, since it is smaller than the sum of its proper divisors (131413038).

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

125571954 is a wasteful number, since it uses less digits than its factorization.

125571954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486761.

The product of its digits is 63000, while the sum is 39.

The square root of 125571954 is about 11205.8892552086. The cubic root of 125571954 is about 500.7614451473.

The spelling of 125571954 in words is "one hundred twenty-five million, five hundred seventy-one thousand, nine hundred fifty-four".