1228699 has 8 divisors (see below), whose sum is σ = 1270080. Its totient is φ = 1188096.

The previous prime is 1228693. The next prime is 1228741. The reversal of 1228699 is 9968221.

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 1228699 - 2³ = 1228691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1228691) 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, 5022 + ... + 5260.

It is an arithmetic number, because the mean of its divisors is an integer number (158760).

2^1228699 is an apocalyptic number.

1228699 is a deficient number, since it is larger than the sum of its proper divisors (41381).

1228699 is an equidigital number, since it uses as much as digits as its factorization.

1228699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389.

The product of its digits is 15552, while the sum is 37.

The square root of 1228699 is about 1108.4669593632. The cubic root of 1228699 is about 107.1063373525.

The spelling of 1228699 in words is "one million, two hundred twenty-eight thousand, six hundred ninety-nine".