1207320 has 32 divisors (see below), whose sum is σ = 3622320. Its totient is φ = 321920.

The previous prime is 1207319. The next prime is 1207331. The reversal of 1207320 is 237021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1207320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4911 + ... + 5150.

2^1207320 is an apocalyptic number.

1207320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1207320 is an abundant number, since it is smaller than the sum of its proper divisors (2415000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1207320 is a wasteful number, since it uses less digits than its factorization.

1207320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10075 (or 10071 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 1207320 is about 1098.7811429034. The cubic root of 1207320 is about 106.4814929599.

Subtracting from 1207320 its reverse (237021), we obtain a cube (970299 = 99³).

The spelling of 1207320 in words is "one million, two hundred seven thousand, three hundred twenty".