1192661 has 4 divisors (see below), whose sum is σ = 1195212. Its totient is φ = 1190112.

The previous prime is 1192651. The next prime is 1192673. The reversal of 1192661 is 1662911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1662911 = 223 ⋅7457.

It can be written as a sum of positive squares in 2 ways, for example, as 348100 + 844561 = 590^2 + 919^2 .

It is a cyclic number.

It is not a de Polignac number, because 1192661 - 2¹⁰ = 1191637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1192661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1192651) 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, 350 + ... + 1583.

It is an arithmetic number, because the mean of its divisors is an integer number (298803).

2^1192661 is an apocalyptic number.

It is an amenable number.

1192661 is a deficient number, since it is larger than the sum of its proper divisors (2551).

1192661 is an equidigital number, since it uses as much as digits as its factorization.

1192661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550.

The product of its digits is 648, while the sum is 26.

The square root of 1192661 is about 1092.0901977401. The cubic root of 1192661 is about 106.0487790209.

The spelling of 1192661 in words is "one million, one hundred ninety-two thousand, six hundred sixty-one".