1207939 has 4 divisors (see below), whose sum is σ = 1240624. Its totient is φ = 1175256.

The previous prime is 1207933. The next prime is 1207957. The reversal of 1207939 is 9397021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1207939 - 2¹¹ = 1205891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1207939.

It is not an unprimeable number, because it can be changed into a prime (1207933) 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, 16287 + ... + 16360.

It is an arithmetic number, because the mean of its divisors is an integer number (310156).

2^1207939 is an apocalyptic number.

1207939 is a deficient number, since it is larger than the sum of its proper divisors (32685).

1207939 is an equidigital number, since it uses as much as digits as its factorization.

1207939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32684.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 1207939 is about 1099.0627825561. The cubic root of 1207939 is about 106.4996877448.

The spelling of 1207939 in words is "one million, two hundred seven thousand, nine hundred thirty-nine".