1121304002 has 32 divisors (see below), whose sum is σ = 2071784064. Its totient is φ = 443232000.

The previous prime is 1121304001. The next prime is 1121304029. The reversal of 1121304002 is 2004031211.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1121304001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391877 + ... + 394727.

It is an arithmetic number, because the mean of its divisors is an integer number (64743252).

Almost surely, 2^1121304002 is an apocalyptic number.

1121304002 is a deficient number, since it is larger than the sum of its proper divisors (950480062).

1121304002 is a wasteful number, since it uses less digits than its factorization.

1121304002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5034.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1121304002 is about 33485.8776501378. The cubic root of 1121304002 is about 1038.9017011194.

Adding to 1121304002 its reverse (2004031211), we get a palindrome (3125335213).

The spelling of 1121304002 in words is "one billion, one hundred twenty-one million, three hundred four thousand, two".