125245342242129 has 16 divisors (see below), whose sum is σ = 173068013805120. Its totient is φ = 80470310007360.

The previous prime is 125245342242103. The next prime is 125245342242151. The reversal of 125245342242129 is 921242243542521.

It is not a de Polignac number, because 125245342242129 - 2⁷ = 125245342242001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125245342240129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1315858842 + ... + 1315954019.

It is an arithmetic number, because the mean of its divisors is an integer number (10816750862820).

Almost surely, 2^{125245342242129} is an apocalyptic number.

It is an amenable number.

125245342242129 is a deficient number, since it is larger than the sum of its proper divisors (47822671562991).

125245342242129 is a wasteful number, since it uses less digits than its factorization.

125245342242129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631813440.

The product of its digits is 2764800, while the sum is 48.

The spelling of 125245342242129 in words is "one hundred twenty-five trillion, two hundred forty-five billion, three hundred forty-two million, two hundred forty-two thousand, one hundred twenty-nine".