1152220542 has 32 divisors (see below), whose sum is σ = 2515155840. Its totient is φ = 348988320.

The previous prime is 1152220483. The next prime is 1152220567. The reversal of 1152220542 is 2450222511.

It is a super-2 number, since 2×1152220542² = 2655224354813547528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 231108 + ... + 236040.

It is an arithmetic number, because the mean of its divisors is an integer number (78598620).

Almost surely, 2^1152220542 is an apocalyptic number.

1152220542 is an abundant number, since it is smaller than the sum of its proper divisors (1362935298).

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

1152220542 is a wasteful number, since it uses less digits than its factorization.

1152220542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8488.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1152220542 is about 33944.3742319696. The cubic root of 1152220542 is about 1048.3634496591.

The spelling of 1152220542 in words is "one billion, one hundred fifty-two million, two hundred twenty thousand, five hundred forty-two".