1121200993 has 4 divisors (see below), whose sum is σ = 1223128368. Its totient is φ = 1019273620.

The previous prime is 1121200991. The next prime is 1121201023. The reversal of 1121200993 is 3990021211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1121200993 - 2¹ = 1121200991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121200991) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 50963671 + ... + 50963692.

It is an arithmetic number, because the mean of its divisors is an integer number (305782092).

Almost surely, 2^1121200993 is an apocalyptic number.

It is an amenable number.

1121200993 is a deficient number, since it is larger than the sum of its proper divisors (101927375).

1121200993 is a wasteful number, since it uses less digits than its factorization.

1121200993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101927374.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 1121200993 is about 33484.3395186466. The cubic root of 1121200993 is about 1038.8698871176.

The spelling of 1121200993 in words is "one billion, one hundred twenty-one million, two hundred thousand, nine hundred ninety-three".