125137776 has 80 divisors (see below), whose sum is σ = 331478784. Its totient is φ = 40668672.

The previous prime is 125137763. The next prime is 125137801. The reversal of 125137776 is 677731521.

It is a super-3 number, since 3×125137776³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536956 + ... + 537188.

Almost surely, 2^125137776 is an apocalyptic number.

125137776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125137776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165739392).

125137776 is an abundant number, since it is smaller than the sum of its proper divisors (206341008).

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

125137776 is a wasteful number, since it uses less digits than its factorization.

125137776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 472 counting only the distinct ones).

The product of its digits is 61740, while the sum is 39.

The square root of 125137776 is about 11186.4997206454. The cubic root of 125137776 is about 500.1836338823.

The spelling of 125137776 in words is "one hundred twenty-five million, one hundred thirty-seven thousand, seven hundred seventy-six".