1154479 has 4 divisors (see below), whose sum is σ = 1157760. Its totient is φ = 1151200.

The previous prime is 1154473. The next prime is 1154509. The reversal of 1154479 is 9744511.

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

It is a cyclic number.

It is not a de Polignac number, because 1154479 - 2⁹ = 1153967 is a prime.

It is a super-2 number, since 2×1154479² = 2665643522882, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1154479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1039 + ... + 1840.

It is an arithmetic number, because the mean of its divisors is an integer number (289440).

2^1154479 is an apocalyptic number.

1154479 is a deficient number, since it is larger than the sum of its proper divisors (3281).

1154479 is an equidigital number, since it uses as much as digits as its factorization.

1154479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3280.

The product of its digits is 5040, while the sum is 31.

The square root of 1154479 is about 1074.4668445327. The cubic root of 1154479 is about 104.9047965472.

The spelling of 1154479 in words is "one million, one hundred fifty-four thousand, four hundred seventy-nine".