1224467887 has 8 divisors (see below), whose sum is σ = 1256248080. Its totient is φ = 1193055360.

The previous prime is 1224467879. The next prime is 1224467921. The reversal of 1224467887 is 7887644221.

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 1224467887 - 2³ = 1224467879 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 1224467887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224467807) 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, 85164 + ... + 98497.

It is an arithmetic number, because the mean of its divisors is an integer number (157031010).

Almost surely, 2^1224467887 is an apocalyptic number.

1224467887 is a deficient number, since it is larger than the sum of its proper divisors (31780193).

1224467887 is a wasteful number, since it uses less digits than its factorization.

1224467887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183833.

The product of its digits is 1204224, while the sum is 49.

The square root of 1224467887 is about 34992.3975600415. The cubic root of 1224467887 is about 1069.8325318014.

The spelling of 1224467887 in words is "one billion, two hundred twenty-four million, four hundred sixty-seven thousand, eight hundred eighty-seven".