1121430412 has 12 divisors (see below), whose sum is σ = 2047829616. Its totient is φ = 536336240.

The previous prime is 1121430403. The next prime is 1121430413. The reversal of 1121430412 is 2140341211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121430412.

It is not an unprimeable number, because it can be changed into a prime (1121430413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6094639 + ... + 6094822.

It is an arithmetic number, because the mean of its divisors is an integer number (170652468).

Almost surely, 2^1121430412 is an apocalyptic number.

It is an amenable number.

1121430412 is a deficient number, since it is larger than the sum of its proper divisors (926399204).

1121430412 is a wasteful number, since it uses less digits than its factorization.

1121430412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12189488 (or 12189486 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1121430412 is about 33487.7651090663. The cubic root of 1121430412 is about 1038.9407397830.

Adding to 1121430412 its reverse (2140341211), we get a palindrome (3261771623).

The spelling of 1121430412 in words is "one billion, one hundred twenty-one million, four hundred thirty thousand, four hundred twelve".