1229479 has 4 divisors (see below), whose sum is σ = 1244376. Its totient is φ = 1214584.

The previous prime is 1229461. The next prime is 1229483. The reversal of 1229479 is 9749221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9749221 = 31 ⋅314491.

It is a cyclic number.

It is not a de Polignac number, because 1229479 - 2⁵ = 1229447 is a prime.

It is a super-2 number, since 2×1229479² = 3023237222882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229489) 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, 7324 + ... + 7489.

It is an arithmetic number, because the mean of its divisors is an integer number (311094).

2^1229479 is an apocalyptic number.

1229479 is a deficient number, since it is larger than the sum of its proper divisors (14897).

1229479 is an equidigital number, since it uses as much as digits as its factorization.

1229479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14896.

The product of its digits is 9072, while the sum is 34.

The square root of 1229479 is about 1108.8187408229. The cubic root of 1229479 is about 107.1289968949.

The spelling of 1229479 in words is "one million, two hundred twenty-nine thousand, four hundred seventy-nine".