125454254152 has 8 divisors (see below), whose sum is σ = 235226726550. Its totient is φ = 62727127072.

The previous prime is 125454254141. The next prime is 125454254179. The reversal of 125454254152 is 251452454521.

It can be written as a sum of positive squares in only one way, i.e., 108263373156 + 17190880996 = 329034^2 + 131114^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7840890877 + ... + 7840890892.

Almost surely, 2^125454254152 is an apocalyptic number.

It is an amenable number.

125454254152 is a deficient number, since it is larger than the sum of its proper divisors (109772472398).

125454254152 is a wasteful number, since it uses less digits than its factorization.

125454254152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15681781775 (or 15681781771 counting only the distinct ones).

The product of its digits is 320000, while the sum is 40.

The spelling of 125454254152 in words is "one hundred twenty-five billion, four hundred fifty-four million, two hundred fifty-four thousand, one hundred fifty-two".