1129340499 has 16 divisors (see below), whose sum is σ = 1725000960. Its totient is φ = 643799520.

The previous prime is 1129340477. The next prime is 1129340551. The reversal of 1129340499 is 9940439211.

It is not a de Polignac number, because 1129340499 - 2⁵ = 1129340467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1129340499.

It is not an unprimeable number, because it can be changed into a prime (1129340099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55029 + ... + 72710.

It is an arithmetic number, because the mean of its divisors is an integer number (107812560).

Almost surely, 2^1129340499 is an apocalyptic number.

1129340499 is a deficient number, since it is larger than the sum of its proper divisors (595660461).

1129340499 is a wasteful number, since it uses less digits than its factorization.

1129340499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128170.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 1129340499 is about 33605.6617104916. The cubic root of 1129340499 is about 1041.3777656194.

The spelling of 1129340499 in words is "one billion, one hundred twenty-nine million, three hundred forty thousand, four hundred ninety-nine".