1121320310 has 48 divisors (see below), whose sum is σ = 2225041056. Its totient is φ = 406560000.

The previous prime is 1121320297. The next prime is 1121320337. The reversal of 1121320310 is 130231211.

It is a super-2 number, since 2×1121320310² = 2514718475236992200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 484055 + ... + 486365.

It is an arithmetic number, because the mean of its divisors is an integer number (46355022).

Almost surely, 2^1121320310 is an apocalyptic number.

1121320310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121320310 is a deficient number, since it is larger than the sum of its proper divisors (1103720746).

1121320310 is a wasteful number, since it uses less digits than its factorization.

1121320310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741 (or 2730 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1121320310 is about 33486.1211548904. The cubic root of 1121320310 is about 1038.9067376147.

Adding to 1121320310 its reverse (130231211), we get a palindrome (1251551521).

The spelling of 1121320310 in words is "one billion, one hundred twenty-one million, three hundred twenty thousand, three hundred ten".