1056909122 has 4 divisors (see below), whose sum is σ = 1585363686. Its totient is φ = 528454560.

The previous prime is 1056909103. The next prime is 1056909127. The reversal of 1056909122 is 2219096501.

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., 982759801 + 74149321 = 31349^2 + 8611^2 .

It is a super-2 number, since 2×1056909122² = 2234113784333621768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056909127) by changing a digit.

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 as a sum of consecutive naturals, namely, 264227279 + ... + 264227282.

Almost surely, 2^1056909122 is an apocalyptic number.

1056909122 is a deficient number, since it is larger than the sum of its proper divisors (528454564).

1056909122 is an equidigital number, since it uses as much as digits as its factorization.

1056909122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528454563.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 1056909122 is about 32510.1387570093. The cubic root of 1056909122 is about 1018.6208202245.

The spelling of 1056909122 in words is "one billion, fifty-six million, nine hundred nine thousand, one hundred twenty-two".