126155942 has 16 divisors (see below), whose sum is σ = 206779392. Its totient is φ = 57248520.

The previous prime is 126155941. The next prime is 126155947. The reversal of 126155942 is 249551621.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126155941) 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, 9803 + ... + 18665.

It is an arithmetic number, because the mean of its divisors is an integer number (12923712).

Almost surely, 2^126155942 is an apocalyptic number.

126155942 is a deficient number, since it is larger than the sum of its proper divisors (80623450).

126155942 is a wasteful number, since it uses less digits than its factorization.

126155942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9523.

The product of its digits is 21600, while the sum is 35.

The square root of 126155942 is about 11231.9162211975. The cubic root of 126155942 is about 501.5365293185.

The spelling of 126155942 in words is "one hundred twenty-six million, one hundred fifty-five thousand, nine hundred forty-two".