1149933071 has 4 divisors (see below), whose sum is σ = 1314209232. Its totient is φ = 985656912.

The previous prime is 1149933017. The next prime is 1149933079. The reversal of 1149933071 is 1703399411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1149933071 - 2²⁶ = 1082824207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149933079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82138070 + ... + 82138083.

It is an arithmetic number, because the mean of its divisors is an integer number (328552308).

Almost surely, 2^1149933071 is an apocalyptic number.

1149933071 is a deficient number, since it is larger than the sum of its proper divisors (164276161).

1149933071 is an equidigital number, since it uses as much as digits as its factorization.

1149933071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164276160.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 1149933071 is about 33910.6630869996. The cubic root of 1149933071 is about 1047.6692279037.

The spelling of 1149933071 in words is "one billion, one hundred forty-nine million, nine hundred thirty-three thousand, seventy-one".