125143616 has 28 divisors (see below), whose sum is σ = 267436092. Its totient is φ = 57758208.

The previous prime is 125143607. The next prime is 125143649. The reversal of 125143616 is 616341521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 65545216 + 59598400 = 8096^2 + 7720^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74375 + ... + 76038.

It is an arithmetic number, because the mean of its divisors is an integer number (9551289).

Almost surely, 2^125143616 is an apocalyptic number.

125143616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125143616 is an abundant number, since it is smaller than the sum of its proper divisors (142292476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125143616 is a wasteful number, since it uses less digits than its factorization.

125143616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150438 (or 150428 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 125143616 is about 11186.7607465253. The cubic root of 125143616 is about 500.1914147115.

The spelling of 125143616 in words is "one hundred twenty-five million, one hundred forty-three thousand, six hundred sixteen".