1224940 has 24 divisors (see below), whose sum is σ = 2610720. Its totient is φ = 482688.

The previous prime is 1224919. The next prime is 1224943. The reversal of 1224940 is 494221.

1224940 is nontrivially palindromic in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224943) 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, 1041 + ... + 1879.

It is an arithmetic number, because the mean of its divisors is an integer number (108780).

2^1224940 is an apocalyptic number.

1224940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1224940 is an abundant number, since it is smaller than the sum of its proper divisors (1385780).

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

1224940 is a wasteful number, since it uses less digits than its factorization.

1224940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 919 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1224940 is about 1106.7700754899. The cubic root of 1224940 is about 106.9970011097.

The spelling of 1224940 in words is "one million, two hundred twenty-four thousand, nine hundred forty".