125706090 has 32 divisors (see below), whose sum is σ = 317574720. Its totient is φ = 31757184.

The previous prime is 125706019. The next prime is 125706101. The reversal of 125706090 is 90607521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109699 + ... + 110838.

It is an arithmetic number, because the mean of its divisors is an integer number (9924210).

Almost surely, 2^125706090 is an apocalyptic number.

125706090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125706090 is an abundant number, since it is smaller than the sum of its proper divisors (191868630).

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

125706090 is a wasteful number, since it uses less digits than its factorization.

125706090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220566.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 125706090 is about 11211.8727249287. The cubic root of 125706090 is about 500.9396862067.

The spelling of 125706090 in words is "one hundred twenty-five million, seven hundred six thousand, ninety".