1155323034 has 32 divisors (see below), whose sum is σ = 2582778240. Its totient is φ = 382798656.

The previous prime is 1155323003. The next prime is 1155323053. The reversal of 1155323034 is 4303235511.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1155322989 and 1155323007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55039 + ... + 73074.

It is an arithmetic number, because the mean of its divisors is an integer number (80711820).

Almost surely, 2^1155323034 is an apocalyptic number.

1155323034 is an abundant number, since it is smaller than the sum of its proper divisors (1427455206).

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

1155323034 is a wasteful number, since it uses less digits than its factorization.

1155323034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128291 (or 128285 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1155323034 is about 33990.0431597255. The cubic root of 1155323034 is about 1049.3035544893.

Adding to 1155323034 its reverse (4303235511), we get a palindrome (5458558545).

The spelling of 1155323034 in words is "one billion, one hundred fifty-five million, three hundred twenty-three thousand, thirty-four".