1121140434 has 16 divisors (see below), whose sum is σ = 2245601088. Its totient is φ = 373160112.

The previous prime is 1121140417. The next prime is 1121140439. The reversal of 1121140434 is 4340411211.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121140434.

It is not an unprimeable number, because it can be changed into a prime (1121140439) 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, 133942 + ... + 142065.

It is an arithmetic number, because the mean of its divisors is an integer number (140350068).

Almost surely, 2^1121140434 is an apocalyptic number.

1121140434 is an abundant number, since it is smaller than the sum of its proper divisors (1124460654).

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

1121140434 is a wasteful number, since it uses less digits than its factorization.

1121140434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276689.

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

The square root of 1121140434 is about 33483.4352180298. The cubic root of 1121140434 is about 1038.8511827537.

Adding to 1121140434 its reverse (4340411211), we get a palindrome (5461551645).

The spelling of 1121140434 in words is "one billion, one hundred twenty-one million, one hundred forty thousand, four hundred thirty-four".