1224971 has 8 divisors (see below), whose sum is σ = 1345584. Its totient is φ = 1105920.

The previous prime is 1224967. The next prime is 1224973. The reversal of 1224971 is 1794221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1224971 - 2² = 1224967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1224971.

It is not an unprimeable number, because it can be changed into a prime (1224973) 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, 1835 + ... + 2411.

It is an arithmetic number, because the mean of its divisors is an integer number (168198).

2^1224971 is an apocalyptic number.

1224971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1224971 is a deficient number, since it is larger than the sum of its proper divisors (120613).

1224971 is a wasteful number, since it uses less digits than its factorization.

1224971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781.

The product of its digits is 1008, while the sum is 26.

The square root of 1224971 is about 1106.7840801168. The cubic root of 1224971 is about 106.9979037060.

The spelling of 1224971 in words is "one million, two hundred twenty-four thousand, nine hundred seventy-one".