125212042 has 32 divisors (see below), whose sum is σ = 197821440. Its totient is φ = 59389680.

The previous prime is 125212039. The next prime is 125212051. The reversal of 125212042 is 240212521.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 593317 + ... + 593527.

It is an arithmetic number, because the mean of its divisors is an integer number (6181920).

Almost surely, 2^125212042 is an apocalyptic number.

125212042 is a deficient number, since it is larger than the sum of its proper divisors (72609398).

125212042 is a wasteful number, since it uses less digits than its factorization.

125212042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 125212042 is about 11189.8186759214. The cubic root of 125212042 is about 500.2825629529.

Adding to 125212042 its reverse (240212521), we get a palindrome (365424563).

The spelling of 125212042 in words is "one hundred twenty-five million, two hundred twelve thousand, forty-two".