1121404012 has 12 divisors (see below), whose sum is σ = 1962723616. Its totient is φ = 560625840.

The previous prime is 1121403979. The next prime is 1121404061. The reversal of 1121404012 is 2104041211.

It is a happy number.

It is a super-2 number, since 2×1121404012² = 2515093916259392288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25837 + ... + 53947.

Almost surely, 2^1121404012 is an apocalyptic number.

It is an amenable number.

1121404012 is a deficient number, since it is larger than the sum of its proper divisors (841319604).

1121404012 is a wasteful number, since it uses less digits than its factorization.

1121404012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38088 (or 38086 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1121404012 is about 33487.3709329353. The cubic root of 1121404012 is about 1038.9325870255.

Adding to 1121404012 its reverse (2104041211), we get a palindrome (3225445223).

The spelling of 1121404012 in words is "one billion, one hundred twenty-one million, four hundred four thousand, twelve".