1226601 has 12 divisors (see below), whose sum is σ = 1876212. Its totient is φ = 769536.

The previous prime is 1226593. The next prime is 1226609. The reversal of 1226601 is 1066221.

1226601 = 200² + 201² + ... + 226².

It is a happy number.

1226601 is a `hidden beast` number, since 1 + 2 + 2 + 660 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (1226593) and next prime (1226609).

It can be written as a sum of positive squares in 2 ways, for example, as 837225 + 389376 = 915^2 + 624^2 .

It is not a de Polignac number, because 1226601 - 2³ = 1226593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1226609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3856 + ... + 4161.

It is an arithmetic number, because the mean of its divisors is an integer number (156351).

2^1226601 is an apocalyptic number.

It is an amenable number.

1226601 is a deficient number, since it is larger than the sum of its proper divisors (649611).

1226601 is a wasteful number, since it uses less digits than its factorization.

1226601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8040 (or 8037 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1226601 is about 1107.5202029760. The cubic root of 1226601 is about 107.0453413685.

The spelling of 1226601 in words is "one million, two hundred twenty-six thousand, six hundred one".