125748302431 has 4 divisors (see below), whose sum is σ = 131215619952. Its totient is φ = 120280984912.

The previous prime is 125748302429. The next prime is 125748302467. The reversal of 125748302431 is 134203847521.

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 125748302431 - 2¹ = 125748302429 is a prime.

It is a super-2 number, since 2×125748302431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125748302401) 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, 2733658726 + ... + 2733658771.

It is an arithmetic number, because the mean of its divisors is an integer number (32803904988).

Almost surely, 2^125748302431 is an apocalyptic number.

125748302431 is a deficient number, since it is larger than the sum of its proper divisors (5467317521).

125748302431 is an equidigital number, since it uses as much as digits as its factorization.

125748302431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5467317520.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 125748302431 in words is "one hundred twenty-five billion, seven hundred forty-eight million, three hundred two thousand, four hundred thirty-one".