1228607 has 4 divisors (see below), whose sum is σ = 1300896. Its totient is φ = 1156320.

The previous prime is 1228603. The next prime is 1228613. The reversal of 1228607 is 7068221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7068221 = 37 ⋅191033.

It is a cyclic number.

It is not a de Polignac number, because 1228607 - 2² = 1228603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228603) 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, 36119 + ... + 36152.

It is an arithmetic number, because the mean of its divisors is an integer number (325224).

2^1228607 is an apocalyptic number.

1228607 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1228607 is a deficient number, since it is larger than the sum of its proper divisors (72289).

1228607 is an equidigital number, since it uses as much as digits as its factorization.

1228607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72288.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1228607 is about 1108.4254598303. The cubic root of 1228607 is about 107.1036640564.

The spelling of 1228607 in words is "one million, two hundred twenty-eight thousand, six hundred seven".