1155082830 has 32 divisors (see below), whose sum is σ = 3024217728. Its totient is φ = 280020000.

The previous prime is 1155082823. The next prime is 1155082837. The reversal of 1155082830 is 382805511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1155082823) and next prime (1155082837).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1155082791 and 1155082800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155082837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1749796 + ... + 1750455.

It is an arithmetic number, because the mean of its divisors is an integer number (94506804).

Almost surely, 2^1155082830 is an apocalyptic number.

1155082830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1155082830 is an abundant number, since it is smaller than the sum of its proper divisors (1869134898).

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

1155082830 is a wasteful number, since it uses less digits than its factorization.

1155082830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500272.

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 1155082830 is about 33986.5095295177. The cubic root of 1155082830 is about 1049.2308289763.

The spelling of 1155082830 in words is "one billion, one hundred fifty-five million, eighty-two thousand, eight hundred thirty".