125130890 has 16 divisors (see below), whose sum is σ = 225582408. Its totient is φ = 49975296.

The previous prime is 125130877. The next prime is 125130899. The reversal of 125130890 is 98031521.

It can be written as a sum of positive squares in 4 ways, for example, as 95199049 + 29931841 = 9757^2 + 5471^2 .

It is not an unprimeable number, because it can be changed into a prime (125130899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2567 + ... + 16026.

Almost surely, 2^125130890 is an apocalyptic number.

125130890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125130890 is a deficient number, since it is larger than the sum of its proper divisors (100451518).

125130890 is a wasteful number, since it uses less digits than its factorization.

125130890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19273.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 125130890 is about 11186.1919347024. The cubic root of 125130890 is about 500.1744591210.

The spelling of 125130890 in words is "one hundred twenty-five million, one hundred thirty thousand, eight hundred ninety".