1223877605 has 8 divisors (see below), whose sum is σ = 1468841472. Its totient is φ = 978976528.

The previous prime is 1223877569. The next prime is 1223877607. The reversal of 1223877605 is 5067783221.

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 1223877605 - 2¹⁸ = 1223615461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223877607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63764 + ... + 80706.

It is an arithmetic number, because the mean of its divisors is an integer number (183605184).

Almost surely, 2^1223877605 is an apocalyptic number.

It is an amenable number.

1223877605 is a deficient number, since it is larger than the sum of its proper divisors (244963867).

1223877605 is a wasteful number, since it uses less digits than its factorization.

1223877605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31395.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 1223877605 is about 34983.9621112303. The cubic root of 1223877605 is about 1069.6605919743.

The spelling of 1223877605 in words is "one billion, two hundred twenty-three million, eight hundred seventy-seven thousand, six hundred five".