1123479 has 24 divisors (see below), whose sum is σ = 1965600. Its totient is φ = 603648.

The previous prime is 1123477. The next prime is 1123483. The reversal of 1123479 is 9743211.

It is not a de Polignac number, because 1123479 - 2¹ = 1123477 is a prime.

It is an Ulam number.

1123479 is a lucky 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 (1123477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 547 + ... + 1595.

It is an arithmetic number, because the mean of its divisors is an integer number (81900).

2^1123479 is an apocalyptic number.

1123479 is a deficient number, since it is larger than the sum of its proper divisors (842121).

1123479 is a wasteful number, since it uses less digits than its factorization.

1123479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079 (or 1076 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 1123479 is about 1059.9429229916. The cubic root of 1123479 is about 103.9572987913.

The spelling of 1123479 in words is "one million, one hundred twenty-three thousand, four hundred seventy-nine".