125399570 has 16 divisors (see below), whose sum is σ = 225868608. Its totient is φ = 50126640.

The previous prime is 125399551. The next prime is 125399579. The reversal of 125399570 is 75993521.

It is not an unprimeable number, because it can be changed into a prime (125399579) 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, 16715 + ... + 23025.

It is an arithmetic number, because the mean of its divisors is an integer number (14116788).

Almost surely, 2^125399570 is an apocalyptic number.

125399570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125399570 is a deficient number, since it is larger than the sum of its proper divisors (100469038).

125399570 is a wasteful number, since it uses less digits than its factorization.

125399570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8305.

The product of its (nonzero) digits is 85050, while the sum is 41.

The square root of 125399570 is about 11198.1949438291. The cubic root of 125399570 is about 500.5321933395.

The spelling of 125399570 in words is "one hundred twenty-five million, three hundred ninety-nine thousand, five hundred seventy".