1122042043 has 8 divisors (see below), whose sum is σ = 1150881776. Its totient is φ = 1093327200.

The previous prime is 1122042029. The next prime is 1122042049. The reversal of 1122042043 is 3402402211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122042043 is a prime.

It is a super-2 number, since 2×1122042043² = 2517956692519227698, which contains 22 as substring.

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 1122042043.

It is not an unprimeable number, because it can be changed into a prime (1122042049) 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, 12888 + ... + 49093.

It is an arithmetic number, because the mean of its divisors is an integer number (143860222).

Almost surely, 2^1122042043 is an apocalyptic number.

1122042043 is a deficient number, since it is larger than the sum of its proper divisors (28839733).

1122042043 is an equidigital number, since it uses as much as digits as its factorization.

1122042043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62445.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1122042043 is about 33496.8960203778. The cubic root of 1122042043 is about 1039.1295857625.

Adding to 1122042043 its reverse (3402402211), we get a palindrome (4524444254).

The spelling of 1122042043 in words is "one billion, one hundred twenty-two million, forty-two thousand, forty-three".