126990108719 has 8 divisors (see below), whose sum is σ = 129054898608. Its totient is φ = 124930301760.

The previous prime is 126990108697. The next prime is 126990108769. The reversal of 126990108719 is 917801099621.

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

It is a cyclic number.

It is not a de Polignac number, because 126990108719 - 2²⁴ = 126973331503 is a prime.

It is a super-2 number, since 2×126990108719² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126990108769) 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, 1194332 + ... + 1296305.

It is an arithmetic number, because the mean of its divisors is an integer number (16131862326).

Almost surely, 2^126990108719 is an apocalyptic number.

126990108719 is a deficient number, since it is larger than the sum of its proper divisors (2064789889).

126990108719 is an equidigital number, since it uses as much as digits as its factorization.

126990108719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491465.

The product of its (nonzero) digits is 489888, while the sum is 53.

The spelling of 126990108719 in words is "one hundred twenty-six billion, nine hundred ninety million, one hundred eight thousand, seven hundred nineteen".