1223146506 has 16 divisors (see below), whose sum is σ = 2482805664. Its totient is φ = 401630064.

The previous prime is 1223146459. The next prime is 1223146541. The reversal of 1223146506 is 6056413221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1520925 + ... + 1521728.

It is an arithmetic number, because the mean of its divisors is an integer number (155175354).

Almost surely, 2^1223146506 is an apocalyptic number.

1223146506 is an abundant number, since it is smaller than the sum of its proper divisors (1259659158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223146506 is a wasteful number, since it uses less digits than its factorization.

1223146506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3042725.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1223146506 is about 34973.5114908412. The cubic root of 1223146506 is about 1069.4475577200.

Adding to 1223146506 its reverse (6056413221), we get a palindrome (7279559727).

The spelling of 1223146506 in words is "one billion, two hundred twenty-three million, one hundred forty-six thousand, five hundred six".