1122981053 has 4 divisors (see below), whose sum is σ = 1189038780. Its totient is φ = 1056923328.

The previous prime is 1122981001. The next prime is 1122981061. The reversal of 1122981053 is 3501892211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3501892211 = 1093 ⋅3203927.

It can be written as a sum of positive squares in 2 ways, for example, as 567058969 + 555922084 = 23813^2 + 23578^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122981053 - 2¹⁰ = 1122980029 is a prime.

It is a super-2 number, since 2×1122981053² = 2522172890793977618, which 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 (1122981553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33028838 + ... + 33028871.

It is an arithmetic number, because the mean of its divisors is an integer number (297259695).

Almost surely, 2^1122981053 is an apocalyptic number.

It is an amenable number.

1122981053 is a deficient number, since it is larger than the sum of its proper divisors (66057727).

1122981053 is an equidigital number, since it uses as much as digits as its factorization.

1122981053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66057726.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 1122981053 is about 33510.9094624422. The cubic root of 1122981053 is about 1039.4193791234.

The spelling of 1122981053 in words is "one billion, one hundred twenty-two million, nine hundred eighty-one thousand, fifty-three".