1130780377 has 2 divisors, whose sum is σ = 1130780378. Its totient is φ = 1130780376.

The previous prime is 1130780317. The next prime is 1130780393. The reversal of 1130780377 is 7730870311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1092699136 + 38081241 = 33056^2 + 6171^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130780377 - 2²⁷ = 996562649 is a prime.

It is a super-2 number, since 2×1130780377² = 2557328522016524258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1130780317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565390188 + 565390189.

It is an arithmetic number, because the mean of its divisors is an integer number (565390189).

Almost surely, 2^1130780377 is an apocalyptic number.

It is an amenable number.

1130780377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130780377 is an equidigital number, since it uses as much as digits as its factorization.

1130780377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 1130780377 is about 33627.0780324428. The cubic root of 1130780377 is about 1041.8201536418.

The spelling of 1130780377 in words is "one billion, one hundred thirty million, seven hundred eighty thousand, three hundred seventy-seven".