1224995 has 8 divisors (see below), whose sum is σ = 1476384. Its totient is φ = 975744.

The previous prime is 1224991. The next prime is 1225009. The reversal of 1224995 is 5994221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1224995 - 2² = 1224991 is a prime.

It is a super-2 number, since 2×1224995² = 3001225500050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1322 + ... + 2048.

It is an arithmetic number, because the mean of its divisors is an integer number (184548).

2^1224995 is an apocalyptic number.

1224995 is a deficient number, since it is larger than the sum of its proper divisors (251389).

1224995 is an equidigital number, since it uses as much as digits as its factorization.

1224995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069.

The product of its digits is 6480, while the sum is 32.

The square root of 1224995 is about 1106.7949222869. The cubic root of 1224995 is about 106.9986024798.

The spelling of 1224995 in words is "one million, two hundred twenty-four thousand, nine hundred ninety-five".