1121713193 has 6 divisors (see below), whose sum is σ = 1187842554. Its totient is φ = 1055600096.

The previous prime is 1121713189. The next prime is 1121713199. The reversal of 1121713193 is 3913171211.

It can be written as a sum of positive squares in only one way, i.e., 1055730064 + 65983129 = 32492^2 + 8123^2 .

It is not a de Polignac number, because 1121713193 - 2² = 1121713189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121713199) 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 5 ways as a sum of consecutive naturals, for example, 134030 + ... + 142152.

It is an arithmetic number, because the mean of its divisors is an integer number (197973759).

Almost surely, 2^1121713193 is an apocalyptic number.

It is an amenable number.

1121713193 is a deficient number, since it is larger than the sum of its proper divisors (66129361).

1121713193 is an frugal number, since it uses more digits than its factorization.

1121713193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16263 (or 8140 counting only the distinct ones).

The product of its digits is 1134, while the sum is 29.

The square root of 1121713193 is about 33491.9869968923. The cubic root of 1121713193 is about 1039.0280592182.

The spelling of 1121713193 in words is "one billion, one hundred twenty-one million, seven hundred thirteen thousand, one hundred ninety-three".