1207217 has 8 divisors (see below), whose sum is σ = 1329312. Its totient is φ = 1096260.

The previous prime is 1207211. The next prime is 1207223. The reversal of 1207217 is 7127021.

It is an interprime number because it is at equal distance from previous prime (1207211) and next prime (1207223).

It is not a de Polignac number, because 1207217 - 2¹² = 1203121 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1207211) 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 7 ways as a sum of consecutive naturals, for example, 878 + ... + 1784.

It is an arithmetic number, because the mean of its divisors is an integer number (166164).

2^1207217 is an apocalyptic number.

It is an amenable number.

1207217 is a deficient number, since it is larger than the sum of its proper divisors (122095).

1207217 is an frugal number, since it uses more digits than its factorization.

1207217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 1207217 is about 1098.7342717873. The cubic root of 1207217 is about 106.4784647913.

Subtracting from 1207217 its product of nonzero digits (196), we obtain a palindrome (1207021).

It can be divided in two parts, 120 and 7217, that added together give a palindrome (7337).

The spelling of 1207217 in words is "one million, two hundred seven thousand, two hundred seventeen".