1229011 has 4 divisors (see below), whose sum is σ = 1404592. Its totient is φ = 1053432.

The previous prime is 1228993. The next prime is 1229021. The reversal of 1229011 is 1109221.

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 1229011 - 2⁷ = 1228883 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 87780 + ... + 87793.

It is an arithmetic number, because the mean of its divisors is an integer number (351148).

2^1229011 is an apocalyptic number.

1229011 is a deficient number, since it is larger than the sum of its proper divisors (175581).

1229011 is an equidigital number, since it uses as much as digits as its factorization.

1229011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175580.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1229011 is about 1108.6076853423. The cubic root of 1229011 is about 107.1154023199.

The spelling of 1229011 in words is "one million, two hundred twenty-nine thousand, eleven".