1228057 has 4 divisors (see below), whose sum is σ = 1231396. Its totient is φ = 1224720.

The previous prime is 1228021. The next prime is 1228091. The reversal of 1228057 is 7508221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 633616 + 594441 = 796^2 + 771^2 .

It is a cyclic number.

It is not a de Polignac number, because 1228057 - 2⁷ = 1227929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1228457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1038 + ... + 1879.

It is an arithmetic number, because the mean of its divisors is an integer number (307849).

2^1228057 is an apocalyptic number.

It is an amenable number.

1228057 is a deficient number, since it is larger than the sum of its proper divisors (3339).

1228057 is an equidigital number, since it uses as much as digits as its factorization.

1228057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3338.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 1228057 is about 1108.1773323796. The cubic root of 1228057 is about 107.0876796101.

The spelling of 1228057 in words is "one million, two hundred twenty-eight thousand, fifty-seven".