125387770 has 16 divisors (see below), whose sum is σ = 225838368. Its totient is φ = 50123920.

The previous prime is 125387747. The next prime is 125387791. The reversal of 125387770 is 77783521.

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 7 ways as a sum of consecutive naturals, for example, 19905 + ... + 25435.

It is an arithmetic number, because the mean of its divisors is an integer number (14114898).

Almost surely, 2^125387770 is an apocalyptic number.

125387770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125387770 is a deficient number, since it is larger than the sum of its proper divisors (100450598).

125387770 is a wasteful number, since it uses less digits than its factorization.

125387770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7805.

The product of its (nonzero) digits is 82320, while the sum is 40.

The square root of 125387770 is about 11197.6680608062. The cubic root of 125387770 is about 500.5164929530.

The spelling of 125387770 in words is "one hundred twenty-five million, three hundred eighty-seven thousand, seven hundred seventy".