1207897 has 4 divisors (see below), whose sum is σ = 1217536. Its totient is φ = 1198260.

The previous prime is 1207883. The next prime is 1207903. The reversal of 1207897 is 7987021.

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.

It is a cyclic number.

It is not a de Polignac number, because 1207897 - 2⁷ = 1207769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1207097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4629 + ... + 4882.

It is an arithmetic number, because the mean of its divisors is an integer number (304384).

2^1207897 is an apocalyptic number.

It is an amenable number.

1207897 is a deficient number, since it is larger than the sum of its proper divisors (9639).

1207897 is an equidigital number, since it uses as much as digits as its factorization.

1207897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9638.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 1207897 is about 1099.0436752013. The cubic root of 1207897 is about 106.4984534002.

The spelling of 1207897 in words is "one million, two hundred seven thousand, eight hundred ninety-seven".