1154216052 has 36 divisors (see below), whose sum is σ = 3182839296. Its totient is φ = 349762320.

The previous prime is 1154216039. The next prime is 1154216053. The reversal of 1154216052 is 2506124511.

1154216052 is a `hidden beast` number, since 1 + 1 + 54 + 2 + 1 + 605 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154216053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1456948 + ... + 1457739.

Almost surely, 2^1154216052 is an apocalyptic number.

1154216052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1154216052 is an abundant number, since it is smaller than the sum of its proper divisors (2028623244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1154216052 is a wasteful number, since it uses less digits than its factorization.

1154216052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2914708 (or 2914703 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 1154216052 is about 33973.7553414397. The cubic root of 1154216052 is about 1048.9683145328.

The spelling of 1154216052 in words is "one billion, one hundred fifty-four million, two hundred sixteen thousand, fifty-two".