1224620 has 12 divisors (see below), whose sum is σ = 2571744. Its totient is φ = 489840.

The previous prime is 1224599. The next prime is 1224637. The reversal of 1224620 is 264221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30596 + ... + 30635.

It is an arithmetic number, because the mean of its divisors is an integer number (214312).

2^1224620 is an apocalyptic number.

1224620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1224620 is an abundant number, since it is smaller than the sum of its proper divisors (1347124).

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

1224620 is a wasteful number, since it uses less digits than its factorization.

1224620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61240 (or 61238 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1224620 is about 1106.6255012424. The cubic root of 1224620 is about 106.9876830962.

Adding to 1224620 its reverse (264221), we get a palindrome (1488841).

The spelling of 1224620 in words is "one million, two hundred twenty-four thousand, six hundred twenty".