1149729805 has 32 divisors (see below), whose sum is σ = 1757410560. Its totient is φ = 702950400.

The previous prime is 1149729799. The next prime is 1149729821. The reversal of 1149729805 is 5089279411.

It is not a de Polignac number, because 1149729805 - 2¹⁵ = 1149697037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39546 + ... + 62155.

It is an arithmetic number, because the mean of its divisors is an integer number (54919080).

Almost surely, 2^1149729805 is an apocalyptic number.

It is an amenable number.

1149729805 is a deficient number, since it is larger than the sum of its proper divisors (607680755).

1149729805 is a wasteful number, since it uses less digits than its factorization.

1149729805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101749.

The product of its (nonzero) digits is 181440, while the sum is 46.

The square root of 1149729805 is about 33907.6658736634. The cubic root of 1149729805 is about 1047.6074944320.

The spelling of 1149729805 in words is "one billion, one hundred forty-nine million, seven hundred twenty-nine thousand, eight hundred five".