1164249141 has 16 divisors (see below), whose sum is σ = 1739224128. Its totient is φ = 686534400.

The previous prime is 1164249137. The next prime is 1164249157. The reversal of 1164249141 is 1419424611.

It is not a de Polignac number, because 1164249141 - 2² = 1164249137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164249241) 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, 475540 + ... + 477981.

It is an arithmetic number, because the mean of its divisors is an integer number (108701508).

Almost surely, 2^1164249141 is an apocalyptic number.

1164249141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1164249141 is a deficient number, since it is larger than the sum of its proper divisors (574974987).

1164249141 is a wasteful number, since it uses less digits than its factorization.

1164249141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953572.

The product of its digits is 6912, while the sum is 33.

The square root of 1164249141 is about 34121.0952491270. The cubic root of 1164249141 is about 1051.9989557571.

The spelling of 1164249141 in words is "one billion, one hundred sixty-four million, two hundred forty-nine thousand, one hundred forty-one".