1154663212 has 12 divisors (see below), whose sum is σ = 2127011320. Its totient is φ = 546945696.

The previous prime is 1154663201. The next prime is 1154663233. The reversal of 1154663212 is 2123664511.

It is a happy number.

It is an unprimeable number.

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, 7596393 + ... + 7596544.

Almost surely, 2^1154663212 is an apocalyptic number.

It is an amenable number.

1154663212 is a deficient number, since it is larger than the sum of its proper divisors (972348108).

1154663212 is a wasteful number, since it uses less digits than its factorization.

1154663212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15192960 (or 15192958 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 1154663212 is about 33980.3356663821. The cubic root of 1154663212 is about 1049.1037588778.

The spelling of 1154663212 in words is "one billion, one hundred fifty-four million, six hundred sixty-three thousand, two hundred twelve".