126245042 has 16 divisors (see below), whose sum is σ = 236094912. Its totient is φ = 49186320.

The previous prime is 126245039. The next prime is 126245057. The reversal of 126245042 is 240542621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409733 + ... + 410040.

It is an arithmetic number, because the mean of its divisors is an integer number (14755932).

Almost surely, 2^126245042 is an apocalyptic number.

126245042 is a deficient number, since it is larger than the sum of its proper divisors (109849870).

126245042 is a wasteful number, since it uses less digits than its factorization.

126245042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819793.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 126245042 is about 11235.8818968517. The cubic root of 126245042 is about 501.6545747255.

Adding to 126245042 its reverse (240542621), we get a palindrome (366787663).

The spelling of 126245042 in words is "one hundred twenty-six million, two hundred forty-five thousand, forty-two".