1094189442 has 32 divisors (see below), whose sum is σ = 2403717120. Its totient is φ = 330509520.

The previous prime is 1094189441. The next prime is 1094189443. The reversal of 1094189442 is 2449814901.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1094189441) and next prime (1094189443).

It is a junction number, because it is equal to n+sod(n) for n = 1094189394 and 1094189403.

It is not an unprimeable number, because it can be changed into a prime (1094189441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206034 + ... + 211277.

It is an arithmetic number, because the mean of its divisors is an integer number (75116160).

Almost surely, 2^1094189442 is an apocalyptic number.

1094189442 is an abundant number, since it is smaller than the sum of its proper divisors (1309527678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1094189442 is a wasteful number, since it uses less digits than its factorization.

1094189442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417358.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 1094189442 is about 33078.5344596764. The cubic root of 1094189442 is about 1030.4592924464.

The spelling of 1094189442 in words is "one billion, ninety-four million, one hundred eighty-nine thousand, four hundred forty-two".