125756090 has 8 divisors (see below), whose sum is σ = 226360980. Its totient is φ = 50302432.

The previous prime is 125756087. The next prime is 125756159. The reversal of 125756090 is 90657521.

It can be written as a sum of positive squares in 2 ways, for example, as 111746041 + 14010049 = 10571^2 + 3743^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 125756090.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6287795 + ... + 6287814.

Almost surely, 2^125756090 is an apocalyptic number.

125756090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125756090 is a deficient number, since it is larger than the sum of its proper divisors (100604890).

125756090 is a wasteful number, since it uses less digits than its factorization.

125756090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12575616.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 125756090 is about 11214.1022823943. The cubic root of 125756090 is about 501.0060941911.

The spelling of 125756090 in words is "one hundred twenty-five million, seven hundred fifty-six thousand, ninety".