1249529164 has 12 divisors (see below), whose sum is σ = 2354881984. Its totient is φ = 576705744.

The previous prime is 1249529147. The next prime is 1249529179. The reversal of 1249529164 is 4619259421.

It is a super-2 number, since 2×1249529164² = 3122646263373077792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1249529164.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12014652 + ... + 12014755.

Almost surely, 2^1249529164 is an apocalyptic number.

It is an amenable number.

1249529164 is a deficient number, since it is larger than the sum of its proper divisors (1105352820).

1249529164 is a wasteful number, since it uses less digits than its factorization.

1249529164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24029424 (or 24029422 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The square root of 1249529164 is about 35348.6798056165. The cubic root of 1249529164 is about 1077.0820766425.

The spelling of 1249529164 in words is "one billion, two hundred forty-nine million, five hundred twenty-nine thousand, one hundred sixty-four".