126967646 has 32 divisors (see below), whose sum is σ = 214310880. Its totient is φ = 56025216.

The previous prime is 126967639. The next prime is 126967697. The reversal of 126967646 is 646769621.

It is a super-2 number, since 2×126967646² = 32241566261562632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126967646.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 55640 + ... + 57876.

It is an arithmetic number, because the mean of its divisors is an integer number (6697215).

Almost surely, 2^126967646 is an apocalyptic number.

126967646 is a deficient number, since it is larger than the sum of its proper divisors (87343234).

126967646 is a wasteful number, since it uses less digits than its factorization.

126967646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348.

The product of its digits is 653184, while the sum is 47.

The square root of 126967646 is about 11267.9921015237. The cubic root of 126967646 is about 502.6098813359.

The spelling of 126967646 in words is "one hundred twenty-six million, nine hundred sixty-seven thousand, six hundred forty-six".