1121276430 has 48 divisors (see below), whose sum is σ = 2920628880. Its totient is φ = 298462464.

The previous prime is 1121276413. The next prime is 1121276459. The reversal of 1121276430 is 346721211.

1121276430 is a `hidden beast` number, since 1 + 1 + 2 + 12 + 7 + 643 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1121276394 and 1121276403.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 39606 + ... + 61734.

It is an arithmetic number, because the mean of its divisors is an integer number (60846435).

Almost surely, 2^1121276430 is an apocalyptic number.

1121276430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121276430 is an abundant number, since it is smaller than the sum of its proper divisors (1799352450).

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

1121276430 is a wasteful number, since it uses less digits than its factorization.

1121276430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22705 (or 22702 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1121276430 is about 33485.4659516633. The cubic root of 1121276430 is about 1038.8931857860.

Adding to 1121276430 its reverse (346721211), we get a palindrome (1467997641).

The spelling of 1121276430 in words is "one billion, one hundred twenty-one million, two hundred seventy-six thousand, four hundred thirty".