1151226 has 16 divisors (see below), whose sum is σ = 2558400. Its totient is φ = 383724.

The previous prime is 1151221. The next prime is 1151233. The reversal of 1151226 is 6221511.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1151199 and 1151208.

It is not an unprimeable number, because it can be changed into a prime (1151221) 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, 10606 + ... + 10713.

It is an arithmetic number, because the mean of its divisors is an integer number (159900).

2^1151226 is an apocalyptic number.

1151226 is an abundant number, since it is smaller than the sum of its proper divisors (1407174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1151226 is a wasteful number, since it uses less digits than its factorization.

1151226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21330 (or 21324 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 1151226 is about 1072.9520026544. The cubic root of 1151226 is about 104.8061730334.

Adding to 1151226 its reverse (6221511), we get a palindrome (7372737).

The spelling of 1151226 in words is "one million, one hundred fifty-one thousand, two hundred twenty-six".