125454001399 has 4 divisors (see below), whose sum is σ = 125467438336. Its totient is φ = 125440564464.

The previous prime is 125454001367. The next prime is 125454001411. The reversal of 125454001399 is 993100454521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125454001399 - 2⁵ = 125454001367 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 (125454004399) 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, 6704454 + ... + 6723139.

It is an arithmetic number, because the mean of its divisors is an integer number (31366859584).

Almost surely, 2^125454001399 is an apocalyptic number.

125454001399 is a deficient number, since it is larger than the sum of its proper divisors (13436937).

125454001399 is an equidigital number, since it uses as much as digits as its factorization.

125454001399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13436936.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 125454001399 in words is "one hundred twenty-five billion, four hundred fifty-four million, one thousand, three hundred ninety-nine".