1229315 has 4 divisors (see below), whose sum is σ = 1475184. Its totient is φ = 983448.

The previous prime is 1229311. The next prime is 1229317. The reversal of 1229315 is 5139221.

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 1229315 - 2² = 1229311 is a prime.

It is a super-2 number, since 2×1229315² = 3022430738450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1229311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122927 + ... + 122936.

It is an arithmetic number, because the mean of its divisors is an integer number (368796).

2^1229315 is an apocalyptic number.

1229315 is a deficient number, since it is larger than the sum of its proper divisors (245869).

1229315 is an equidigital number, since it uses as much as digits as its factorization.

1229315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245868.

The product of its digits is 540, while the sum is 23.

The square root of 1229315 is about 1108.7447857826. The cubic root of 1229315 is about 107.1242333767.

The spelling of 1229315 in words is "one million, two hundred twenty-nine thousand, three hundred fifteen".