1115279 has 8 divisors (see below), whose sum is σ = 1240272. Its totient is φ = 994240.

The previous prime is 1115273. The next prime is 1115297. The reversal of 1115279 is 9725111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1115279 - 2¹² = 1111183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374 + ... + 1539.

It is an arithmetic number, because the mean of its divisors is an integer number (155034).

2^1115279 is an apocalyptic number.

1115279 is a deficient number, since it is larger than the sum of its proper divisors (124993).

1115279 is a wasteful number, since it uses less digits than its factorization.

1115279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977.

The product of its digits is 630, while the sum is 26.

The square root of 1115279 is about 1056.0677061628. The cubic root of 1115279 is about 103.7037612701.

The spelling of 1115279 in words is "one million, one hundred fifteen thousand, two hundred seventy-nine".