125677530 has 192 divisors, whose sum is σ = 379012608. Its totient is φ = 28615680.

The previous prime is 125677499. The next prime is 125677553. The reversal of 125677530 is 35776521.

125677530 is a `hidden beast` number, since 1 + 2 + 56 + 77 + 530 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1721574 + ... + 1721646.

It is an arithmetic number, because the mean of its divisors is an integer number (1974024).

Almost surely, 2^125677530 is an apocalyptic number.

125677530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125677530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189506304).

125677530 is an abundant number, since it is smaller than the sum of its proper divisors (253335078).

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

125677530 is a wasteful number, since it uses less digits than its factorization.

125677530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 125677530 is about 11210.5990027295. The cubic root of 125677530 is about 500.9017460637.

The spelling of 125677530 in words is "one hundred twenty-five million, six hundred seventy-seven thousand, five hundred thirty".