1229275 has 6 divisors (see below), whose sum is σ = 1524332. Its totient is φ = 983400.

The previous prime is 1229273. The next prime is 1229279. The reversal of 1229275 is 5729221.

1229275 = 5² + 6² + ... + 154².

It is not a de Polignac number, because 1229275 - 2¹ = 1229273 is a prime.

It is a super-2 number, since 2×1229275² = 3022234051250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1229273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24561 + ... + 24610.

2^1229275 is an apocalyptic number.

1229275 is a deficient number, since it is larger than the sum of its proper divisors (295057).

1229275 is an equidigital number, since it uses as much as digits as its factorization.

1229275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49181 (or 49176 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 1229275 is about 1108.7267472195. The cubic root of 1229275 is about 107.1230714788.

The spelling of 1229275 in words is "one million, two hundred twenty-nine thousand, two hundred seventy-five".