1196621 has 4 divisors (see below), whose sum is σ = 1248672. Its totient is φ = 1144572.

The previous prime is 1196609. The next prime is 1196633. The reversal of 1196621 is 1266911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1266911 = 359 ⋅3529.

It is an interprime number because it is at equal distance from previous prime (1196609) and next prime (1196633).

It is not a de Polignac number, because 1196621 - 2¹⁴ = 1180237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1196521) 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, 25991 + ... + 26036.

It is an arithmetic number, because the mean of its divisors is an integer number (312168).

2^1196621 is an apocalyptic number.

It is an amenable number.

1196621 is a deficient number, since it is larger than the sum of its proper divisors (52051).

1196621 is an equidigital number, since it uses as much as digits as its factorization.

1196621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52050.

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

The square root of 1196621 is about 1093.9017323325. The cubic root of 1196621 is about 106.1660208383.

The spelling of 1196621 in words is "one million, one hundred ninety-six thousand, six hundred twenty-one".