1129411776 has 28 divisors (see below), whose sum is σ = 2988235832. Its totient is φ = 376470528.

The previous prime is 1129411771. The next prime is 1129411781. The reversal of 1129411776 is 6771149211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1129411771) and next prime (1129411781).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1129411771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2940985 + ... + 2941368.

Almost surely, 2^1129411776 is an apocalyptic number.

1129411776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1129411776 is an abundant number, since it is smaller than the sum of its proper divisors (1858824056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1129411776 is an equidigital number, since it uses as much as digits as its factorization.

1129411776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882368 (or 5882358 counting only the distinct ones).

The product of its digits is 21168, while the sum is 39.

The square root of 1129411776 is about 33606.7221847058. The cubic root of 1129411776 is about 1041.3996736036.

The spelling of 1129411776 in words is "one billion, one hundred twenty-nine million, four hundred eleven thousand, seven hundred seventy-six".