125834414520 has 32 divisors (see below), whose sum is σ = 377503243920. Its totient is φ = 33555843840.

The previous prime is 125834414509. The next prime is 125834414521. The reversal of 125834414520 is 25414438521.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125834414521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524309941 + ... + 524310180.

Almost surely, 2^125834414520 is an apocalyptic number.

125834414520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125834414520 is an abundant number, since it is smaller than the sum of its proper divisors (251668829400).

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

125834414520 is a wasteful number, since it uses less digits than its factorization.

125834414520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048620135 (or 1048620131 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 39.

The spelling of 125834414520 in words is "one hundred twenty-five billion, eight hundred thirty-four million, four hundred fourteen thousand, five hundred twenty".