1204997 has 4 divisors (see below), whose sum is σ = 1216800. Its totient is φ = 1193196.

The previous prime is 1204981. The next prime is 1205027. The reversal of 1204997 is 7994021.

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: 7994021 = 7 ⋅1142003.

It is a cyclic number.

It is not a de Polignac number, because 1204997 - 2⁴ = 1204981 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204937) 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, 5747 + ... + 5952.

It is an arithmetic number, because the mean of its divisors is an integer number (304200).

2^1204997 is an apocalyptic number.

It is an amenable number.

1204997 is a deficient number, since it is larger than the sum of its proper divisors (11803).

1204997 is a wasteful number, since it uses less digits than its factorization.

1204997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11802.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 1204997 is about 1097.7235535416. The cubic root of 1204997 is about 106.4131555614.

The spelling of 1204997 in words is "one million, two hundred four thousand, nine hundred ninety-seven".