1121242412 has 12 divisors (see below), whose sum is σ = 2077596360. Its totient is φ = 527643456.

The previous prime is 1121242411. The next prime is 1121242469. The reversal of 1121242412 is 2142421211.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1121242411) 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, 8244362 + ... + 8244497.

It is an arithmetic number, because the mean of its divisors is an integer number (173133030).

Almost surely, 2^1121242412 is an apocalyptic number.

It is an amenable number.

1121242412 is a deficient number, since it is larger than the sum of its proper divisors (956353948).

1121242412 is a wasteful number, since it uses less digits than its factorization.

1121242412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16488880 (or 16488878 counting only the distinct ones).

The product of its digits is 256, while the sum is 20.

The square root of 1121242412 is about 33484.9579960913. The cubic root of 1121242412 is about 1038.8826794782.

Adding to 1121242412 its reverse (2142421211), we get a palindrome (3263663623).

The spelling of 1121242412 in words is "one billion, one hundred twenty-one million, two hundred forty-two thousand, four hundred twelve".