125321770 has 16 divisors (see below), whose sum is σ = 257804928. Its totient is φ = 42967440.

The previous prime is 125321767. The next prime is 125321771. The reversal of 125321770 is 77123521.

It is not an unprimeable number, because it can be changed into a prime (125321771) 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, 895086 + ... + 895225.

It is an arithmetic number, because the mean of its divisors is an integer number (16112808).

Almost surely, 2^125321770 is an apocalyptic number.

125321770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125321770 is an abundant number, since it is smaller than the sum of its proper divisors (132483158).

125321770 is a wasteful number, since it uses less digits than its factorization.

125321770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790325.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 125321770 is about 11194.7206307259. The cubic root of 125321770 is about 500.4286590645.

The spelling of 125321770 in words is "one hundred twenty-five million, three hundred twenty-one thousand, seven hundred seventy".