125147642 has 16 divisors (see below), whose sum is σ = 209226240. Its totient is φ = 55793088.

The previous prime is 125147639. The next prime is 125147647. The reversal of 125147642 is 246741521.

It is a junction number, because it is equal to n+sod(n) for n = 125147599 and 125147608.

It is not an unprimeable number, because it can be changed into a prime (125147647) 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, 96218 + ... + 97509.

It is an arithmetic number, because the mean of its divisors is an integer number (13076640).

Almost surely, 2^125147642 is an apocalyptic number.

125147642 is a deficient number, since it is larger than the sum of its proper divisors (84078598).

125147642 is a wasteful number, since it uses less digits than its factorization.

125147642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193765.

The product of its digits is 13440, while the sum is 32.

The square root of 125147642 is about 11186.9406899295. The cubic root of 125147642 is about 500.1967785462.

The spelling of 125147642 in words is "one hundred twenty-five million, one hundred forty-seven thousand, six hundred forty-two".