1155240024 has 32 divisors (see below), whose sum is σ = 2904804720. Its totient is φ = 382852736.

The previous prime is 1155240013. The next prime is 1155240029. The reversal of 1155240024 is 4200425511.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1155239976 and 1155240003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155240029) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 134967 + ... + 143270.

Almost surely, 2^1155240024 is an apocalyptic number.

It is an amenable number.

1155240024 is an abundant number, since it is smaller than the sum of its proper divisors (1749564696).

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

1155240024 is a wasteful number, since it uses less digits than its factorization.

1155240024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278419 (or 278415 counting only the distinct ones).

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

The square root of 1155240024 is about 33988.8220449018. The cubic root of 1155240024 is about 1049.2784230551.

Adding to 1155240024 its reverse (4200425511), we get a palindrome (5355665535).

The spelling of 1155240024 in words is "one billion, one hundred fifty-five million, two hundred forty thousand, twenty-four".