1151840252 has 6 divisors (see below), whose sum is σ = 2015720448. Its totient is φ = 575920124.

The previous prime is 1151840251. The next prime is 1151840267. The reversal of 1151840252 is 2520481511.

It is a super-2 number, since 2×1151840252² = 2653471932254847008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151840251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143980028 + ... + 143980035.

It is an arithmetic number, because the mean of its divisors is an integer number (335953408).

Almost surely, 2^1151840252 is an apocalyptic number.

It is an amenable number.

1151840252 is a deficient number, since it is larger than the sum of its proper divisors (863880196).

1151840252 is a wasteful number, since it uses less digits than its factorization.

1151840252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287960067 (or 287960065 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 1151840252 is about 33938.7721050718. The cubic root of 1151840252 is about 1048.2480996338.

The spelling of 1151840252 in words is "one billion, one hundred fifty-one million, eight hundred forty thousand, two hundred fifty-two".