1121292259 has 4 divisors (see below), whose sum is σ = 1121386680. Its totient is φ = 1121197840.

The previous prime is 1121292247. The next prime is 1121292287. The reversal of 1121292259 is 9522921211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1121292259 - 2⁷ = 1121292131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121292059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26314 + ... + 54175.

It is an arithmetic number, because the mean of its divisors is an integer number (280346670).

Almost surely, 2^1121292259 is an apocalyptic number.

1121292259 is a deficient number, since it is larger than the sum of its proper divisors (94421).

1121292259 is an equidigital number, since it uses as much as digits as its factorization.

1121292259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94420.

The product of its digits is 6480, while the sum is 34.

The square root of 1121292259 is about 33485.7023071041. The cubic root of 1121292259 is about 1038.8980744296.

The spelling of 1121292259 in words is "one billion, one hundred twenty-one million, two hundred ninety-two thousand, two hundred fifty-nine".