1207279 has 4 divisors (see below), whose sum is σ = 1270840. Its totient is φ = 1143720.

The previous prime is 1207267. The next prime is 1207291. The reversal of 1207279 is 9727021.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1207267) and next prime (1207291).

It is a cyclic number.

It is not a de Polignac number, because 1207279 - 2⁹ = 1206767 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1207249) 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, 31752 + ... + 31789.

It is an arithmetic number, because the mean of its divisors is an integer number (317710).

2^1207279 is an apocalyptic number.

1207279 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1207279 is a deficient number, since it is larger than the sum of its proper divisors (63561).

1207279 is an equidigital number, since it uses as much as digits as its factorization.

1207279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63560.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 1207279 is about 1098.7624857084. The cubic root of 1207279 is about 106.4802875930.

The spelling of 1207279 in words is "one million, two hundred seven thousand, two hundred seventy-nine".