1113245194 has 4 divisors (see below), whose sum is σ = 1669867794. Its totient is φ = 556622596.

The previous prime is 1113245191. The next prime is 1113245249. The reversal of 1113245194 is 4915423111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4915423111 = 2521 ⋅1949791.

It can be written as a sum of positive squares in only one way, i.e., 1017929025 + 95316169 = 31905^2 + 9763^2 .

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 as a sum of consecutive naturals, namely, 278311297 + ... + 278311300.

Almost surely, 2^1113245194 is an apocalyptic number.

1113245194 is a deficient number, since it is larger than the sum of its proper divisors (556622600).

1113245194 is an equidigital number, since it uses as much as digits as its factorization.

1113245194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556622599.

The product of its digits is 4320, while the sum is 31.

The square root of 1113245194 is about 33365.3292206146. The cubic root of 1113245194 is about 1036.4068537370.

The spelling of 1113245194 in words is "one billion, one hundred thirteen million, two hundred forty-five thousand, one hundred ninety-four".