125077500 has 240 divisors, whose sum is σ = 432986400. Its totient is φ = 31104000.

The previous prime is 125077499. The next prime is 125077507. The reversal of 125077500 is 5770521.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125077507) 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 79 ways as a sum of consecutive naturals, for example, 1147446 + ... + 1147554.

It is an arithmetic number, because the mean of its divisors is an integer number (1804110).

Almost surely, 2^125077500 is an apocalyptic number.

125077500 is a gapful number since it is divisible by the number (10) 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 125077500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216493200).

125077500 is an abundant number, since it is smaller than the sum of its proper divisors (307908900).

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

125077500 is a wasteful number, since it uses less digits than its factorization.

125077500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 27.

The square root of 125077500 is about 11183.8052558152. The cubic root of 125077500 is about 500.1033119851.

The spelling of 125077500 in words is "one hundred twenty-five million, seventy-seven thousand, five hundred".