1121032042 has 16 divisors (see below), whose sum is σ = 1821372840. Its totient is φ = 514406592.

The previous prime is 1121032001. The next prime is 1121032043. The reversal of 1121032042 is 2402301211.

It can be written as a sum of positive squares in 4 ways, for example, as 1120307841 + 724201 = 33471^2 + 851^2 .

It is not an unprimeable number, because it can be changed into a prime (1121032043) 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, 120117 + ... + 129112.

Almost surely, 2^1121032042 is an apocalyptic number.

1121032042 is a deficient number, since it is larger than the sum of its proper divisors (700340798).

1121032042 is a wasteful number, since it uses less digits than its factorization.

1121032042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249417.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1121032042 is about 33481.8165875151. The cubic root of 1121032042 is about 1038.8177029198.

Adding to 1121032042 its reverse (2402301211), we get a palindrome (3523333253).

The spelling of 1121032042 in words is "one billion, one hundred twenty-one million, thirty-two thousand, forty-two".