1149205208 has 8 divisors (see below), whose sum is σ = 2154759780. Its totient is φ = 574602600.

The previous prime is 1149205207. The next prime is 1149205217. The reversal of 1149205208 is 8025029411.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1149205208² = 2641345220188646528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149205207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71825318 + ... + 71825333.

Almost surely, 2^1149205208 is an apocalyptic number.

It is an amenable number.

1149205208 is a deficient number, since it is larger than the sum of its proper divisors (1005554572).

1149205208 is a wasteful number, since it uses less digits than its factorization.

1149205208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143650657 (or 143650653 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 1149205208 is about 33899.9293214602. The cubic root of 1149205208 is about 1047.4481365975.

The spelling of 1149205208 in words is "one billion, one hundred forty-nine million, two hundred five thousand, two hundred eight".