1056130778 has 4 divisors (see below), whose sum is σ = 1584196170. Its totient is φ = 528065388.

The previous prime is 1056130769. The next prime is 1056130781. The reversal of 1056130778 is 8770316501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8770316501 = 2683 ⋅3268847.

It can be written as a sum of positive squares in only one way, i.e., 938993449 + 117137329 = 30643^2 + 10823^2 .

It is a super-2 number, since 2×1056130778² = 2230824440477770568, which contains 22 as substring.

It is an unprimeable number.

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, 264032693 + ... + 264032696.

Almost surely, 2^1056130778 is an apocalyptic number.

1056130778 is a deficient number, since it is larger than the sum of its proper divisors (528065392).

1056130778 is an equidigital number, since it uses as much as digits as its factorization.

1056130778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528065391.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 1056130778 is about 32498.1657636243. The cubic root of 1056130778 is about 1018.3707097558.

The spelling of 1056130778 in words is "one billion, fifty-six million, one hundred thirty thousand, seven hundred seventy-eight".