1121302312 has 32 divisors (see below), whose sum is σ = 2312352000. Its totient is φ = 506510784.

The previous prime is 1121302289. The next prime is 1121302349. The reversal of 1121302312 is 2132031211.

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, 109812 + ... + 119587.

It is an arithmetic number, because the mean of its divisors is an integer number (72261000).

Almost surely, 2^1121302312 is an apocalyptic number.

It is an amenable number.

1121302312 is an abundant number, since it is smaller than the sum of its proper divisors (1191049688).

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

1121302312 is a wasteful number, since it uses less digits than its factorization.

1121302312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229465 (or 229461 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1121302312 is about 33485.8524156098. The cubic root of 1121302312 is about 1038.9011791840.

Adding to 1121302312 its reverse (2132031211), we get a palindrome (3253333523).

The spelling of 1121302312 in words is "one billion, one hundred twenty-one million, three hundred two thousand, three hundred twelve".