1194145 has 4 divisors (see below), whose sum is σ = 1432980. Its totient is φ = 955312.

The previous prime is 1194103. The next prime is 1194157. The reversal of 1194145 is 5414911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5414911 = 41 ⋅132071.

It can be written as a sum of positive squares in 2 ways, for example, as 473344 + 720801 = 688^2 + 849^2 .

It is a cyclic number.

It is not a de Polignac number, because 1194145 - 2¹¹ = 1192097 is a prime.

1194145 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119410 + ... + 119419.

It is an arithmetic number, because the mean of its divisors is an integer number (358245).

2^1194145 is an apocalyptic number.

It is an amenable number.

1194145 is a deficient number, since it is larger than the sum of its proper divisors (238835).

1194145 is an equidigital number, since it uses as much as digits as its factorization.

1194145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238834.

The product of its digits is 720, while the sum is 25.

The square root of 1194145 is about 1092.7694175809. The cubic root of 1194145 is about 106.0927454567.

The spelling of 1194145 in words is "one million, one hundred ninety-four thousand, one hundred forty-five".