1151123230 has 16 divisors (see below), whose sum is σ = 2078647344. Its totient is φ = 458976960.

The previous prime is 1151123179. The next prime is 1151123263. The reversal of 1151123230 is 323211511.

It is a junction number, because it is equal to n+sod(n) for n = 1151123198 and 1151123207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180756 + ... + 187015.

It is an arithmetic number, because the mean of its divisors is an integer number (129915459).

Almost surely, 2^1151123230 is an apocalyptic number.

1151123230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1151123230 is a deficient number, since it is larger than the sum of its proper divisors (927524114).

1151123230 is a wasteful number, since it uses less digits than its factorization.

1151123230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368091.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1151123230 is about 33928.2069965390. The cubic root of 1151123230 is about 1048.0305425660.

Adding to 1151123230 its reverse (323211511), we get a palindrome (1474334741).

The spelling of 1151123230 in words is "one billion, one hundred fifty-one million, one hundred twenty-three thousand, two hundred thirty".