125042770 has 32 divisors (see below), whose sum is σ = 229857408. Its totient is φ = 48964608.

The previous prime is 125042761. The next prime is 125042779. The reversal of 125042770 is 77240521.

It is an interprime number because it is at equal distance from previous prime (125042761) and next prime (125042779).

It is not an unprimeable number, because it can be changed into a prime (125042779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128827 + ... + 129793.

It is an arithmetic number, because the mean of its divisors is an integer number (7183044).

Almost surely, 2^125042770 is an apocalyptic number.

125042770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125042770 is a deficient number, since it is larger than the sum of its proper divisors (104814638).

125042770 is a wasteful number, since it uses less digits than its factorization.

125042770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 125042770 is about 11182.2524564597. The cubic root of 125042770 is about 500.0570201638.

The spelling of 125042770 in words is "one hundred twenty-five million, forty-two thousand, seven hundred seventy".