1129365783 has 24 divisors (see below), whose sum is σ = 2007762848. Its totient is φ = 595708992.

The previous prime is 1129365779. The next prime is 1129365793. The reversal of 1129365783 is 3875639211.

It is not a de Polignac number, because 1129365783 - 2² = 1129365779 is a prime.

It is a super-2 number, since 2×1129365783² = 2550934143622406178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129365733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 688660 + ... + 690297.

Almost surely, 2^1129365783 is an apocalyptic number.

1129365783 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1129365783 is a deficient number, since it is larger than the sum of its proper divisors (878397065).

1129365783 is a wasteful number, since it uses less digits than its factorization.

1129365783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378983 (or 1378980 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 1129365783 is about 33606.0378949974. The cubic root of 1129365783 is about 1041.3855371164.

The spelling of 1129365783 in words is "one billion, one hundred twenty-nine million, three hundred sixty-five thousand, seven hundred eighty-three".