1056749108 has 6 divisors (see below), whose sum is σ = 1849310946. Its totient is φ = 528374552.

The previous prime is 1056749101. The next prime is 1056749131. The reversal of 1056749108 is 8019476501.

It can be written as a sum of positive squares in only one way, i.e., 814075024 + 242674084 = 28532^2 + 15578^2 .

It is a super-2 number, since 2×1056749108² = 2233437354517591328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056749101) 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, 132093635 + ... + 132093642.

It is an arithmetic number, because the mean of its divisors is an integer number (308218491).

Almost surely, 2^1056749108 is an apocalyptic number.

It is an amenable number.

1056749108 is a deficient number, since it is larger than the sum of its proper divisors (792561838).

1056749108 is a wasteful number, since it uses less digits than its factorization.

1056749108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264187281 (or 264187279 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 1056749108 is about 32507.6776777425. The cubic root of 1056749108 is about 1018.5694118883.

The spelling of 1056749108 in words is "one billion, fifty-six million, seven hundred forty-nine thousand, one hundred eight".