1223372505 has 8 divisors (see below), whose sum is σ = 1957396032. Its totient is φ = 652465328.

The previous prime is 1223372503. The next prime is 1223372519. The reversal of 1223372505 is 5052733221.

It is a happy number.

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 1223372505 - 2¹ = 1223372503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223372503) 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, 40779069 + ... + 40779098.

It is an arithmetic number, because the mean of its divisors is an integer number (244674504).

Almost surely, 2^1223372505 is an apocalyptic number.

1223372505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1223372505 is a deficient number, since it is larger than the sum of its proper divisors (734023527).

1223372505 is an equidigital number, since it uses as much as digits as its factorization.

1223372505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81558175.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 1223372505 is about 34976.7423440205. The cubic root of 1223372505 is about 1069.5134204200.

The spelling of 1223372505 in words is "one billion, two hundred twenty-three million, three hundred seventy-two thousand, five hundred five".