125454072668 has 6 divisors (see below), whose sum is σ = 219544627176. Its totient is φ = 62727036332.

The previous prime is 125454072659. The next prime is 125454072673. The reversal of 125454072668 is 866270454521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15681759080 + ... + 15681759087.

It is an arithmetic number, because the mean of its divisors is an integer number (36590771196).

Almost surely, 2^125454072668 is an apocalyptic number.

It is an amenable number.

125454072668 is a deficient number, since it is larger than the sum of its proper divisors (94090554508).

125454072668 is a wasteful number, since it uses less digits than its factorization.

125454072668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31363518171 (or 31363518169 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 50.

The spelling of 125454072668 in words is "one hundred twenty-five billion, four hundred fifty-four million, seventy-two thousand, six hundred sixty-eight".