125750000 has 70 divisors (see below), whose sum is σ = 305152344. Its totient is φ = 50200000.

The previous prime is 125749997. The next prime is 125750011. The reversal of 125750000 is 57521.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 13 ways as a sum of consecutive naturals, for example, 249749 + ... + 250251.

Almost surely, 2^125750000 is an apocalyptic number.

125750000 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 125750000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152576172).

125750000 is an abundant number, since it is smaller than the sum of its proper divisors (179402344).

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

125750000 is an frugal number, since it uses more digits than its factorization.

125750000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 125750000 is about 11213.8307460029. The cubic root of 125750000 is about 500.9980066401.

The spelling of 125750000 in words is "one hundred twenty-five million, seven hundred fifty thousand".