1155323030 has 16 divisors (see below), whose sum is σ = 2085380640. Its totient is φ = 460840512.

The previous prime is 1155323003. The next prime is 1155323053. The reversal of 1155323030 is 303235511.

It is a junction number, because it is equal to n+sod(n) for n = 1155322987 and 1155323005.

It is a congruent number.

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, 157319 + ... + 164498.

It is an arithmetic number, because the mean of its divisors is an integer number (130336290).

Almost surely, 2^1155323030 is an apocalyptic number.

1155323030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1155323030 is a deficient number, since it is larger than the sum of its proper divisors (930057610).

1155323030 is a wasteful number, since it uses less digits than its factorization.

1155323030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322183.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 1155323030 is about 33990.0431008847. The cubic root of 1155323030 is about 1049.3035532783.

Adding to 1155323030 its reverse (303235511), we get a palindrome (1458558541).

The spelling of 1155323030 in words is "one billion, one hundred fifty-five million, three hundred twenty-three thousand, thirty".