1155245124 has 96 divisors (see below), whose sum is σ = 3003033600. Its totient is φ = 342725760.

The previous prime is 1155245123. The next prime is 1155245137. The reversal of 1155245124 is 4215425511.

It is a junction number, because it is equal to n+sod(n) for n = 1155245091 and 1155245100.

It is not an unprimeable number, because it can be changed into a prime (1155245123) 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 31 ways as a sum of consecutive naturals, for example, 1449094 + ... + 1449890.

It is an arithmetic number, because the mean of its divisors is an integer number (31281600).

Almost surely, 2^1155245124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1155245124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1501516800).

1155245124 is an abundant number, since it is smaller than the sum of its proper divisors (1847788476).

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

1155245124 is a wasteful number, since it uses less digits than its factorization.

1155245124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033 (or 1031 counting only the distinct ones).

The product of its digits is 8000, while the sum is 30.

The square root of 1155245124 is about 33988.8970694843. The cubic root of 1155245124 is about 1049.2799671245.

The spelling of 1155245124 in words is "one billion, one hundred fifty-five million, two hundred forty-five thousand, one hundred twenty-four".