125784544634 has 16 divisors (see below), whose sum is σ = 215781789888. Its totient is φ = 53869876512.

The previous prime is 125784544577. The next prime is 125784544663. The reversal of 125784544634 is 436445487521.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3128099 + ... + 3168054.

It is an arithmetic number, because the mean of its divisors is an integer number (13486361868).

Almost surely, 2^125784544634 is an apocalyptic number.

125784544634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

125784544634 is a deficient number, since it is larger than the sum of its proper divisors (89997245254).

125784544634 is a wasteful number, since it uses less digits than its factorization.

125784544634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6297589.

The product of its digits is 12902400, while the sum is 53.

The spelling of 125784544634 in words is "one hundred twenty-five billion, seven hundred eighty-four million, five hundred forty-four thousand, six hundred thirty-four".