125413723045 has 16 divisors (see below), whose sum is σ = 162116528112. Its totient is φ = 92588405760.

The previous prime is 125413723037. The next prime is 125413723063. The reversal of 125413723045 is 540327314521.

It is a Cunningham number, because it is equal to 354138²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 32325882436 + 93087840609 = 179794^2 + 305103^2 .

It is not a de Polignac number, because 125413723045 - 2³ = 125413723037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125413722995 and 125413723013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12042 + ... + 500971.

It is an arithmetic number, because the mean of its divisors is an integer number (10132283007).

Almost surely, 2^125413723045 is an apocalyptic number.

It is an amenable number.

125413723045 is a deficient number, since it is larger than the sum of its proper divisors (36702805067).

125413723045 is a wasteful number, since it uses less digits than its factorization.

125413723045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516792.

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 125413723045 in words is "one hundred twenty-five billion, four hundred thirteen million, seven hundred twenty-three thousand, forty-five".