1121043234 has 16 divisors (see below), whose sum is σ = 2245080960. Its totient is φ = 373182000.

The previous prime is 1121043221. The next prime is 1121043241. The reversal of 1121043234 is 4323401211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121043234.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119889 + ... + 128900.

It is an arithmetic number, because the mean of its divisors is an integer number (140317560).

Almost surely, 2^1121043234 is an apocalyptic number.

1121043234 is an abundant number, since it is smaller than the sum of its proper divisors (1124037726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121043234 is a wasteful number, since it uses less digits than its factorization.

1121043234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249545.

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

The square root of 1121043234 is about 33481.9837225933. The cubic root of 1121043234 is about 1038.8211599751.

Adding to 1121043234 its reverse (4323401211), we get a palindrome (5444444445).

The spelling of 1121043234 in words is "one billion, one hundred twenty-one million, forty-three thousand, two hundred thirty-four".