126651742 has 16 divisors (see below), whose sum is σ = 217399680. Its totient is φ = 54208728.

The previous prime is 126651719. The next prime is 126651757. The reversal of 126651742 is 247156621.

It is a junction number, because it is equal to n+sod(n) for n = 126651698 and 126651707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6109 + ... + 17047.

It is an arithmetic number, because the mean of its divisors is an integer number (13587480).

Almost surely, 2^126651742 is an apocalyptic number.

126651742 is a deficient number, since it is larger than the sum of its proper divisors (90747938).

126651742 is a wasteful number, since it uses less digits than its factorization.

126651742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11775.

The product of its digits is 20160, while the sum is 34.

The square root of 126651742 is about 11253.9656121742. The cubic root of 126651742 is about 502.1926928068.

The spelling of 126651742 in words is "one hundred twenty-six million, six hundred fifty-one thousand, seven hundred forty-two".