1122479 has 4 divisors (see below), whose sum is σ = 1158720. Its totient is φ = 1086240.

The previous prime is 1122467. The next prime is 1122481. The reversal of 1122479 is 9742211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9742211 = 37 ⋅263303.

It is a de Polignac number, because none of the positive numbers 2^k-1122479 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122419) 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, 18074 + ... + 18135.

It is an arithmetic number, because the mean of its divisors is an integer number (289680).

2^1122479 is an apocalyptic number.

1122479 is a deficient number, since it is larger than the sum of its proper divisors (36241).

1122479 is an equidigital number, since it uses as much as digits as its factorization.

1122479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36240.

The product of its digits is 1008, while the sum is 26.

The square root of 1122479 is about 1059.4710944618. The cubic root of 1122479 is about 103.9264457719.

The spelling of 1122479 in words is "one million, one hundred twenty-two thousand, four hundred seventy-nine".