1125319977722 has 8 divisors (see below), whose sum is σ = 1688015264436. Its totient is φ = 562648222912.

The previous prime is 1125319977709. The next prime is 1125319977739. The reversal of 1125319977722 is 2277799135211.

It is a Cunningham number, because it is equal to 1060811²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 1125319977721 + 1 = 1060811^2 + 1^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5762933 + ... + 5955000.

Almost surely, 2^{1125319977722} is an apocalyptic number.

1125319977722 is a deficient number, since it is larger than the sum of its proper divisors (562695286714).

1125319977722 is a wasteful number, since it uses less digits than its factorization.

1125319977722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11765952.

The product of its digits is 3333960, while the sum is 56.

The spelling of 1125319977722 in words is "one trillion, one hundred twenty-five billion, three hundred nineteen million, nine hundred seventy-seven thousand, seven hundred twenty-two".