1113245193 has 4 divisors (see below), whose sum is σ = 1484326928. Its totient is φ = 742163460.

The previous prime is 1113245191. The next prime is 1113245249. The reversal of 1113245193 is 3915423111.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3915423111 = 3 ⋅1305141037.

It is not a de Polignac number, because 1113245193 - 2¹ = 1113245191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1113245193.

It is not an unprimeable number, because it can be changed into a prime (1113245191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185540863 + ... + 185540868.

It is an arithmetic number, because the mean of its divisors is an integer number (371081732).

Almost surely, 2^1113245193 is an apocalyptic number.

It is an amenable number.

1113245193 is a deficient number, since it is larger than the sum of its proper divisors (371081735).

1113245193 is an equidigital number, since it uses as much as digits as its factorization.

1113245193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371081734.

The product of its digits is 3240, while the sum is 30.

The square root of 1113245193 is about 33365.3292056290. The cubic root of 1113245193 is about 1036.4068534267.

The spelling of 1113245193 in words is "one billion, one hundred thirteen million, two hundred forty-five thousand, one hundred ninety-three".