1224977 has 4 divisors (see below), whose sum is σ = 1319220. Its totient is φ = 1130736.

The previous prime is 1224973. The next prime is 1224983. The reversal of 1224977 is 7794221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 633616 + 591361 = 796^2 + 769^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224977 - 2² = 1224973 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 47102 + ... + 47127.

It is an arithmetic number, because the mean of its divisors is an integer number (329805).

2^1224977 is an apocalyptic number.

It is an amenable number.

1224977 is a deficient number, since it is larger than the sum of its proper divisors (94243).

1224977 is an equidigital number, since it uses as much as digits as its factorization.

1224977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94242.

The product of its digits is 7056, while the sum is 32.

The square root of 1224977 is about 1106.7867906693. The cubic root of 1224977 is about 106.9980784003.

The spelling of 1224977 in words is "one million, two hundred twenty-four thousand, nine hundred seventy-seven".