1077943129 has 6 divisors (see below), whose sum is σ = 1113838170. Its totient is φ = 1043169840.

The previous prime is 1077943127. The next prime is 1077943133. The reversal of 1077943129 is 9213497701.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 976437504 + 101505625 = 31248^2 + 10075^2 .

It is not a de Polignac number, because 1077943129 - 2¹ = 1077943127 is a prime.

It is a super-2 number, since 2×1077943129² = 2323922778716621282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1077943121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 559884 + ... + 561805.

It is an arithmetic number, because the mean of its divisors is an integer number (185639695).

Almost surely, 2^1077943129 is an apocalyptic number.

It is an amenable number.

1077943129 is a deficient number, since it is larger than the sum of its proper divisors (35895041).

1077943129 is an equidigital number, since it uses as much as digits as its factorization.

1077943129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121751 (or 1121720 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 1077943129 is about 32832.0442403454. The cubic root of 1077943129 is about 1025.3338207563. Note that the first 3 decimals are identical.

The spelling of 1077943129 in words is "one billion, seventy-seven million, nine hundred forty-three thousand, one hundred twenty-nine".