1155210630 has 32 divisors (see below), whose sum is σ = 3168578304. Its totient is φ = 264048096.

The previous prime is 1155210533. The next prime is 1155210649. The reversal of 1155210630 is 360125511.

It is a self number, because there is not a number n which added to its sum of digits gives 1155210630.

It is a congruent number.

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, 2750292 + ... + 2750711.

It is an arithmetic number, because the mean of its divisors is an integer number (99018072).

Almost surely, 2^1155210630 is an apocalyptic number.

1155210630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1155210630 is an abundant number, since it is smaller than the sum of its proper divisors (2013367674).

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

1155210630 is a wasteful number, since it uses less digits than its factorization.

1155210630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5501020.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1155210630 is about 33988.3896352858. The cubic root of 1155210630 is about 1049.2695236775.

The spelling of 1155210630 in words is "one billion, one hundred fifty-five million, two hundred ten thousand, six hundred thirty".