1229001 has 8 divisors (see below), whose sum is σ = 1657440. Its totient is φ = 809952.

The previous prime is 1228993. The next prime is 1229021. The reversal of 1229001 is 1009221.

It is a happy number.

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

It is not a de Polignac number, because 1229001 - 2³ = 1228993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1229021) 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, 2035 + ... + 2568.

It is an arithmetic number, because the mean of its divisors is an integer number (207180).

2^1229001 is an apocalyptic number.

It is an amenable number.

1229001 is a deficient number, since it is larger than the sum of its proper divisors (428439).

1229001 is an equidigital number, since it uses as much as digits as its factorization.

1229001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4695.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1229001 is about 1108.6031751714. The cubic root of 1229001 is about 107.1151117999.

The spelling of 1229001 in words is "one million, two hundred twenty-nine thousand, one".