1196021 has 4 divisors (see below), whose sum is σ = 1202412. Its totient is φ = 1189632.

The previous prime is 1196003. The next prime is 1196029. The reversal of 1196021 is 1206911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1206911 = 643 ⋅1877.

It can be written as a sum of positive squares in 2 ways, for example, as 376996 + 819025 = 614^2 + 905^2 .

It is a cyclic number.

It is not a de Polignac number, because 1196021 - 2¹⁰ = 1194997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1195984 and 1196002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1196029) 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, 2906 + ... + 3291.

It is an arithmetic number, because the mean of its divisors is an integer number (300603).

2^1196021 is an apocalyptic number.

It is an amenable number.

1196021 is a deficient number, since it is larger than the sum of its proper divisors (6391).

1196021 is an equidigital number, since it uses as much as digits as its factorization.

1196021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6390.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1196021 is about 1093.6274502773. The cubic root of 1196021 is about 106.1482735699.

The spelling of 1196021 in words is "one million, one hundred ninety-six thousand, twenty-one".