1121434260 has 48 divisors (see below), whose sum is σ = 3143212800. Its totient is φ = 298744704.

The previous prime is 1121434247. The next prime is 1121434271. The reversal of 1121434260 is 624341211.

It is a super-2 number, since 2×1121434260² = 2515229599003495200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1121434260.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53346 + ... + 71334.

It is an arithmetic number, because the mean of its divisors is an integer number (65483600).

Almost surely, 2^1121434260 is an apocalyptic number.

1121434260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121434260 is an abundant number, since it is smaller than the sum of its proper divisors (2021778540).

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

1121434260 is a wasteful number, since it uses less digits than its factorization.

1121434260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19040 (or 19038 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1121434260 is about 33487.8225628362. The cubic root of 1121434260 is about 1038.9419280985.

Adding to 1121434260 its reverse (624341211), we get a palindrome (1745775471).

It can be divided in two parts, 112143 and 4260, that added together give a triangular number (116403 = T₄₈₂).

The spelling of 1121434260 in words is "one billion, one hundred twenty-one million, four hundred thirty-four thousand, two hundred sixty".