1121312359 has 2 divisors, whose sum is σ = 1121312360. Its totient is φ = 1121312358.

The previous prime is 1121312329. The next prime is 1121312363. The reversal of 1121312359 is 9532131211.

It is a strong prime.

It is an emirp because it is prime and its reverse (9532131211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121312359 - 2⁵ = 1121312327 is a prime.

It is a super-2 number, since 2×1121312359² = 2514682812892289762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121312329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560656179 + 560656180.

It is an arithmetic number, because the mean of its divisors is an integer number (560656180).

Almost surely, 2^1121312359 is an apocalyptic number.

1121312359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121312359 is an equidigital number, since it uses as much as digits as its factorization.

1121312359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 28.

The square root of 1121312359 is about 33486.0024338529. The cubic root of 1121312359 is about 1038.9042820668.

The spelling of 1121312359 in words is "one billion, one hundred twenty-one million, three hundred twelve thousand, three hundred fifty-nine".