1121340342 has 16 divisors (see below), whose sum is σ = 2259052272. Its totient is φ = 371051520.

The previous prime is 1121340331. The next prime is 1121340403. The reversal of 1121340342 is 2430431211.

It is a congruent number.

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, 681259 + ... + 682902.

It is an arithmetic number, because the mean of its divisors is an integer number (141190767).

Almost surely, 2^1121340342 is an apocalyptic number.

1121340342 is an abundant number, since it is smaller than the sum of its proper divisors (1137711930).

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

1121340342 is a wasteful number, since it uses less digits than its factorization.

1121340342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364303.

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

The square root of 1121340342 is about 33486.4202625482. The cubic root of 1121340342 is about 1038.9129241478.

Adding to 1121340342 its reverse (2430431211), we get a palindrome (3551771553).

The spelling of 1121340342 in words is "one billion, one hundred twenty-one million, three hundred forty thousand, three hundred forty-two".