1229087 has 4 divisors (see below), whose sum is σ = 1241856. Its totient is φ = 1216320.

The previous prime is 1229077. The next prime is 1229093. The reversal of 1229087 is 7809221.

It is a happy number.

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 1229087 - 2⁴ = 1229071 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229077) 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, 6239 + ... + 6432.

It is an arithmetic number, because the mean of its divisors is an integer number (310464).

2^1229087 is an apocalyptic number.

1229087 is a deficient number, since it is larger than the sum of its proper divisors (12769).

1229087 is an equidigital number, since it uses as much as digits as its factorization.

1229087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12768.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1229087 is about 1108.6419620418. The cubic root of 1229087 is about 107.1176102206.

The spelling of 1229087 in words is "one million, two hundred twenty-nine thousand, eighty-seven".