1090298128922 has 4 divisors (see below), whose sum is σ = 1635447193386. Its totient is φ = 545149064460.

The previous prime is 1090298128919. The next prime is 1090298128949. The reversal of 1090298128922 is 2298218920901.

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., 1081310899321 + 8987229601 = 1039861^2 + 94801^2 .

It is a super-4 number, since 4×1090298128922⁴ (a number of 49 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272574532229 + ... + 272574532232.

Almost surely, 2^{1090298128922} is an apocalyptic number.

1090298128922 is a deficient number, since it is larger than the sum of its proper divisors (545149064464).

1090298128922 is an equidigital number, since it uses as much as digits as its factorization.

1090298128922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545149064463.

The product of its (nonzero) digits is 746496, while the sum is 53.

The spelling of 1090298128922 in words is "one trillion, ninety billion, two hundred ninety-eight million, one hundred twenty-eight thousand, nine hundred twenty-two".