125540570 has 16 divisors (see below), whose sum is σ = 230237640. Its totient is φ = 49268544.

The previous prime is 125540551. The next prime is 125540579. The reversal of 125540570 is 75045521.

It can be written as a sum of positive squares in 4 ways, for example, as 116618401 + 8922169 = 10799^2 + 2987^2 .

It is not an unprimeable number, because it can be changed into a prime (125540579) by changing a digit.

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, 117905 + ... + 118964.

Almost surely, 2^125540570 is an apocalyptic number.

125540570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125540570 is a deficient number, since it is larger than the sum of its proper divisors (104697070).

125540570 is a wasteful number, since it uses less digits than its factorization.

125540570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236929.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 125540570 is about 11204.4888326063. The cubic root of 125540570 is about 500.7197234991.

The spelling of 125540570 in words is "one hundred twenty-five million, five hundred forty thousand, five hundred seventy".