125837942149 has 8 divisors (see below), whose sum is σ = 125916612480. Its totient is φ = 125759303376.

The previous prime is 125837942129. The next prime is 125837942161. The reversal of 125837942149 is 941249738521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125837942149 - 2²¹ = 125835844997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125837942149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125837942129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16469272 + ... + 16476910.

It is an arithmetic number, because the mean of its divisors is an integer number (15739576560).

Almost surely, 2^125837942149 is an apocalyptic number.

It is an amenable number.

125837942149 is a deficient number, since it is larger than the sum of its proper divisors (78670331).

125837942149 is an equidigital number, since it uses as much as digits as its factorization.

125837942149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15779.

The product of its digits is 4354560, while the sum is 55.

The spelling of 125837942149 in words is "one hundred twenty-five billion, eight hundred thirty-seven million, nine hundred forty-two thousand, one hundred forty-nine".