126744610690 has 16 divisors (see below), whose sum is σ = 228154268160. Its totient is φ = 50694740080.

The previous prime is 126744610673. The next prime is 126744610691. The reversal of 126744610690 is 96016447621.

It is a super-2 number, since 2×126744610690² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126744610690.

It is not an unprimeable number, because it can be changed into a prime (126744610691) 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, 212770 + ... + 546589.

It is an arithmetic number, because the mean of its divisors is an integer number (14259641760).

Almost surely, 2^126744610690 is an apocalyptic number.

126744610690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126744610690 is a deficient number, since it is larger than the sum of its proper divisors (101409657470).

126744610690 is a wasteful number, since it uses less digits than its factorization.

126744610690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776057.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 126744610690 in words is "one hundred twenty-six billion, seven hundred forty-four million, six hundred ten thousand, six hundred ninety".