125149582074 has 128 divisors (see below), whose sum is σ = 291559440384. Its totient is φ = 35392896000.

The previous prime is 125149582013. The next prime is 125149582079. The reversal of 125149582074 is 470285941521.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125149582079) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 85077159 + ... + 85078629.

It is an arithmetic number, because the mean of its divisors is an integer number (2277808128).

Almost surely, 2^125149582074 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125149582074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145779720192).

125149582074 is an abundant number, since it is smaller than the sum of its proper divisors (166409858310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125149582074 is a wasteful number, since it uses less digits than its factorization.

125149582074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092.

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 125149582074 in words is "one hundred twenty-five billion, one hundred forty-nine million, five hundred eighty-two thousand, seventy-four".