1321119994 has 16 divisors (see below), whose sum is σ = 2051214336. Its totient is φ = 637498800.

The previous prime is 1321119991. The next prime is 1321120001. The reversal of 1321119994 is 4999111231.

It is not an unprimeable number, because it can be changed into a prime (1321119991) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6277 + ... + 51784.

It is an arithmetic number, because the mean of its divisors is an integer number (128200896).

Almost surely, 2^1321119994 is an apocalyptic number.

1321119994 is a deficient number, since it is larger than the sum of its proper divisors (730094342).

1321119994 is a wasteful number, since it uses less digits than its factorization.

1321119994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58461.

The product of its digits is 17496, while the sum is 40.

The square root of 1321119994 is about 36347.2143912020. The cubic root of 1321119994 is about 1097.2714728026.

The spelling of 1321119994 in words is "one billion, three hundred twenty-one million, one hundred nineteen thousand, nine hundred ninety-four".