126710742 has 16 divisors (see below), whose sum is σ = 255665520. Its totient is φ = 41862912.

The previous prime is 126710729. The next prime is 126710747. The reversal of 126710742 is 247017621.

It is a super-2 number, since 2×126710742² = 32111224276381128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126710747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92767 + ... + 94122.

It is an arithmetic number, because the mean of its divisors is an integer number (15979095).

Almost surely, 2^126710742 is an apocalyptic number.

126710742 is an abundant number, since it is smaller than the sum of its proper divisors (128954778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126710742 is a wasteful number, since it uses less digits than its factorization.

126710742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187007.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 126710742 is about 11256.5866051837. The cubic root of 126710742 is about 502.2706619125.

The spelling of 126710742 in words is "one hundred twenty-six million, seven hundred ten thousand, seven hundred forty-two".