1226940 has 108 divisors (see below), whose sum is σ = 4088952. Its totient is φ = 274560.

The previous prime is 1226899. The next prime is 1226959. The reversal of 1226940 is 496221.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1226940.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 94374 + ... + 94386.

2^1226940 is an apocalyptic number.

1226940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1226940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2044476).

1226940 is an abundant number, since it is smaller than the sum of its proper divisors (2862012).

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

1226940 is a wasteful number, since it uses less digits than its factorization.

1226940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1226940 is about 1107.6732370153. The cubic root of 1226940 is about 107.0552019583.

The spelling of 1226940 in words is "one million, two hundred twenty-six thousand, nine hundred forty".