125254272045 has 128 divisors (see below), whose sum is σ = 247789559808. Its totient is φ = 52786483200.

The previous prime is 125254272037. The next prime is 125254272047. The reversal of 125254272045 is 540272452521.

It is not a de Polignac number, because 125254272045 - 2³ = 125254272037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125254271994 and 125254272012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125254272047) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8210625 + ... + 8225865.

It is an arithmetic number, because the mean of its divisors is an integer number (1935855936).

Almost surely, 2^125254272045 is an apocalyptic number.

125254272045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125254272045 is a deficient number, since it is larger than the sum of its proper divisors (122535287763).

125254272045 is a wasteful number, since it uses less digits than its factorization.

125254272045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15403.

The product of its (nonzero) digits is 224000, while the sum is 39.

The spelling of 125254272045 in words is "one hundred twenty-five billion, two hundred fifty-four million, two hundred seventy-two thousand, forty-five".