1226835 has 24 divisors (see below), whose sum is σ = 2152800. Its totient is φ = 646272.

The previous prime is 1226831. The next prime is 1226851. The reversal of 1226835 is 5386221.

1226835 = 20² + 21² + ... + 154².

It is not a de Polignac number, because 1226835 - 2² = 1226831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1226799 and 1226808.

It is not an unprimeable number, because it can be changed into a prime (1226831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6066 + ... + 6264.

It is an arithmetic number, because the mean of its divisors is an integer number (89700).

2^1226835 is an apocalyptic number.

1226835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1226835 is a deficient number, since it is larger than the sum of its proper divisors (925965).

1226835 is a wasteful number, since it uses less digits than its factorization.

1226835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 344 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1226835 is about 1107.6258393519. The cubic root of 1226835 is about 107.0521479875.

The spelling of 1226835 in words is "one million, two hundred twenty-six thousand, eight hundred thirty-five".