1121104434 has 16 divisors (see below), whose sum is σ = 2275675488. Its totient is φ = 368123712.

The previous prime is 1121104409. The next prime is 1121104441. The reversal of 1121104434 is 4344011211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121104434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1394007 + ... + 1394810.

It is an arithmetic number, because the mean of its divisors is an integer number (142229718).

Almost surely, 2^1121104434 is an apocalyptic number.

1121104434 is an abundant number, since it is smaller than the sum of its proper divisors (1154571054).

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

1121104434 is a wasteful number, since it uses less digits than its factorization.

1121104434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788889.

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

The square root of 1121104434 is about 33482.8976344641. The cubic root of 1121104434 is about 1038.8400634084.

Adding to 1121104434 its reverse (4344011211), we get a palindrome (5465115645).

The spelling of 1121104434 in words is "one billion, one hundred twenty-one million, one hundred four thousand, four hundred thirty-four".