125454000391 has 4 divisors (see below), whose sum is σ = 125454798432. Its totient is φ = 125453202352.

The previous prime is 125454000361. The next prime is 125454000407. The reversal of 125454000391 is 193000454521.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 125454000391 - 2⁷ = 125454000263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125454000341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76111 + ... + 506656.

It is an arithmetic number, because the mean of its divisors is an integer number (31363699608).

Almost surely, 2^125454000391 is an apocalyptic number.

125454000391 is the 224013-rd centered pentagonal number.

125454000391 is a deficient number, since it is larger than the sum of its proper divisors (798041).

125454000391 is an equidigital number, since it uses as much as digits as its factorization.

125454000391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798040.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 125454000391 in words is "one hundred twenty-five billion, four hundred fifty-four million, three hundred ninety-one", and thus it is an aban number.