1155222124 has 24 divisors (see below), whose sum is σ = 2349607680. Its totient is φ = 486703056.

The previous prime is 1155222049. The next prime is 1155222139. The reversal of 1155222124 is 4212225511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347992 + ... + 351295.

It is an arithmetic number, because the mean of its divisors is an integer number (97900320).

Almost surely, 2^1155222124 is an apocalyptic number.

1155222124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1155222124 is an abundant number, since it is smaller than the sum of its proper divisors (1194385556).

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

1155222124 is a wasteful number, since it uses less digits than its factorization.

1155222124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699357 (or 699355 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 1155222124 is about 33988.5587220170. The cubic root of 1155222124 is about 1049.2730036386.

Adding to 1155222124 its reverse (4212225511), we get a palindrome (5367447635).

The spelling of 1155222124 in words is "one billion, one hundred fifty-five million, two hundred twenty-two thousand, one hundred twenty-four".