126990563122 has 8 divisors (see below), whose sum is σ = 190487678976. Its totient is φ = 63494670132.

The previous prime is 126990563107. The next prime is 126990563143. The reversal of 126990563122 is 221365099621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×126990563122² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25803 + ... + 504625.

It is an arithmetic number, because the mean of its divisors is an integer number (23810959872).

Almost surely, 2^126990563122 is an apocalyptic number.

126990563122 is a deficient number, since it is larger than the sum of its proper divisors (63497115854).

126990563122 is a wasteful number, since it uses less digits than its factorization.

126990563122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611432.

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 126990563122 in words is "one hundred twenty-six billion, nine hundred ninety million, five hundred sixty-three thousand, one hundred twenty-two".