125330042 has 16 divisors (see below), whose sum is σ = 201247200. Its totient is φ = 58359600.

The previous prime is 125330041. The next prime is 125330047. The reversal of 125330042 is 240033521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 125329996 and 125330023.

It is not an unprimeable number, because it can be changed into a prime (125330041) 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, 25709 + ... + 30192.

It is an arithmetic number, because the mean of its divisors is an integer number (12577950).

Almost surely, 2^125330042 is an apocalyptic number.

125330042 is a deficient number, since it is larger than the sum of its proper divisors (75917158).

125330042 is a wasteful number, since it uses less digits than its factorization.

125330042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55981.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 125330042 is about 11195.0900844969. The cubic root of 125330042 is about 500.4396692685.

Adding to 125330042 its reverse (240033521), we get a palindrome (365363563).

The spelling of 125330042 in words is "one hundred twenty-five million, three hundred thirty thousand, forty-two".