126909001172362 has 4 divisors (see below), whose sum is σ = 190363501758546. Its totient is φ = 63454500586180.

The previous prime is 126909001172321. The next prime is 126909001172363. The reversal of 126909001172362 is 263271100909621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 118962234534361 + 7946766638001 = 10906981^2 + 2819001^2 .

It is a super-2 number, since 2×126909001172362² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126909001172363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31727250293089 + ... + 31727250293092.

Almost surely, 2^{126909001172362} is an apocalyptic number.

126909001172362 is a deficient number, since it is larger than the sum of its proper divisors (63454500586184).

126909001172362 is an equidigital number, since it uses as much as digits as its factorization.

126909001172362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63454500586183.

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 126909001172362 in words is "one hundred twenty-six trillion, nine hundred nine billion, one million, one hundred seventy-two thousand, three hundred sixty-two".