1155134604 has 72 divisors (see below), whose sum is σ = 2980938240. Its totient is φ = 347835072.

The previous prime is 1155134599. The next prime is 1155134609. The reversal of 1155134604 is 4064315511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1155134599) and next prime (1155134609).

It is not an unprimeable number, because it can be changed into a prime (1155134609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89257 + ... + 101375.

It is an arithmetic number, because the mean of its divisors is an integer number (41401920).

Almost surely, 2^1155134604 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 1155134604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1490469120).

1155134604 is an abundant number, since it is smaller than the sum of its proper divisors (1825803636).

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

1155134604 is a wasteful number, since it uses less digits than its factorization.

1155134604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12199 (or 12184 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1155134604 is about 33987.2712055558. The cubic root of 1155134604 is about 1049.2465052159.

The spelling of 1155134604 in words is "one billion, one hundred fifty-five million, one hundred thirty-four thousand, six hundred four".