1223995 has 8 divisors (see below), whose sum is σ = 1503216. Its totient is φ = 956256.

The previous prime is 1223993. The next prime is 1224029. The reversal of 1223995 is 5993221.

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 1223995 - 2¹ = 1223993 is a prime.

It is a Duffinian number.

1223995 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1223993) 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, 2632 + ... + 3061.

It is an arithmetic number, because the mean of its divisors is an integer number (187902).

2^1223995 is an apocalyptic number.

1223995 is a deficient number, since it is larger than the sum of its proper divisors (279221).

1223995 is an equidigital number, since it uses as much as digits as its factorization.

1223995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5741.

The product of its digits is 4860, while the sum is 31.

The square root of 1223995 is about 1106.3430751806. The cubic root of 1223995 is about 106.9694791688.

The spelling of 1223995 in words is "one million, two hundred twenty-three thousand, nine hundred ninety-five".