1121042433 has 12 divisors (see below), whose sum is σ = 1738759920. Its totient is φ = 640595592.

The previous prime is 1121042431. The next prime is 1121042467. The reversal of 1121042433 is 3342401211.

It is not a de Polignac number, because 1121042433 - 2¹ = 1121042431 is a prime.

It is a super-2 number, since 2×1121042433² = 2513472273173118978, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1121042431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3812923 + ... + 3813216.

It is an arithmetic number, because the mean of its divisors is an integer number (144896660).

Almost surely, 2^1121042433 is an apocalyptic number.

It is an amenable number.

1121042433 is a deficient number, since it is larger than the sum of its proper divisors (617717487).

1121042433 is an equidigital number, since it uses as much as digits as its factorization.

1121042433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7626156 (or 7626149 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1121042433 is about 33481.9717609343. The cubic root of 1121042433 is about 1038.8209125579.

Adding to 1121042433 its reverse (3342401211), we get a palindrome (4463443644).

The spelling of 1121042433 in words is "one billion, one hundred twenty-one million, forty-two thousand, four hundred thirty-three".