1117279 has 2 divisors, whose sum is σ = 1117280. Its totient is φ = 1117278.

The previous prime is 1117273. The next prime is 1117301. The reversal of 1117279 is 9727111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1117279 - 2⁵ = 1117247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1117273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558639 + 558640.

It is an arithmetic number, because the mean of its divisors is an integer number (558640).

2^1117279 is an apocalyptic number.

1117279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117279 is an equidigital number, since it uses as much as digits as its factorization.

1117279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 882, while the sum is 28.

The square root of 1117279 is about 1057.0141910116. The cubic root of 1117279 is about 103.7657139793.

The spelling of 1117279 in words is "one million, one hundred seventeen thousand, two hundred seventy-nine".