1012194 has 24 divisors (see below), whose sum is σ = 2236572. Its totient is φ = 330720.

The previous prime is 1012189. The next prime is 1012201. The reversal of 1012194 is 4912101.

It can be written as a sum of positive squares in 2 ways, for example, as 974169 + 38025 = 987^2 + 195^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 424 + ... + 1484.

2^1012194 is an apocalyptic number.

1012194 is an abundant number, since it is smaller than the sum of its proper divisors (1224378).

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

1012194 is a wasteful number, since it uses less digits than its factorization.

1012194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122 (or 1119 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1012194 is about 1006.0785257623. The cubic root of 1012194 is about 100.4048256174.

Adding to 1012194 its reverse (4912101), we get a palindrome (5924295).

The spelling of 1012194 in words is "one million, twelve thousand, one hundred ninety-four".