1119837997 has 4 divisors (see below), whose sum is σ = 1122762240. Its totient is φ = 1116913756.

The previous prime is 1119837977. The next prime is 1119838001. The reversal of 1119837997 is 7997389111.

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 1119837997 - 2¹¹ = 1119835949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1119837907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1461547 + ... + 1462312.

It is an arithmetic number, because the mean of its divisors is an integer number (280690560).

Almost surely, 2^1119837997 is an apocalyptic number.

It is an amenable number.

1119837997 is a deficient number, since it is larger than the sum of its proper divisors (2924243).

1119837997 is an equidigital number, since it uses as much as digits as its factorization.

1119837997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924242.

The product of its digits is 857304, while the sum is 55.

The square root of 1119837997 is about 33463.9805910773. The cubic root of 1119837997 is about 1038.4487465498.

The spelling of 1119837997 in words is "one billion, one hundred nineteen million, eight hundred thirty-seven thousand, nine hundred ninety-seven".