1121242413 has 8 divisors (see below), whose sum is σ = 1535395168. Its totient is φ = 727292304.

The previous prime is 1121242411. The next prime is 1121242469. The reversal of 1121242413 is 3142421211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1121242413 - 2¹ = 1121242411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121242413.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5050531 + ... + 5050752.

It is an arithmetic number, because the mean of its divisors is an integer number (191924396).

Almost surely, 2^1121242413 is an apocalyptic number.

It is an amenable number.

1121242413 is a deficient number, since it is larger than the sum of its proper divisors (414152755).

1121242413 is a wasteful number, since it uses less digits than its factorization.

1121242413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101323.

The product of its digits is 384, while the sum is 21.

The square root of 1121242413 is about 33484.9580110234. The cubic root of 1121242413 is about 1038.8826797870.

Adding to 1121242413 its reverse (3142421211), we get a palindrome (4263663624).

The spelling of 1121242413 in words is "one billion, one hundred twenty-one million, two hundred forty-two thousand, four hundred thirteen".