1223254530 has 48 divisors (see below), whose sum is σ = 3183391224. Its totient is φ = 325900800.

The previous prime is 1223254519. The next prime is 1223254547. The reversal of 1223254530 is 354523221.

It is a happy number.

1223254530 is a `hidden beast` number, since 122 + 3 + 2 + 5 + 4 + 530 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 912825369 + 310429161 = 30213^2 + 17619^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1223254494 and 1223254503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102432 + ... + 113748.

Almost surely, 2^1223254530 is an apocalyptic number.

1223254530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223254530 is an abundant number, since it is smaller than the sum of its proper divisors (1960136694).

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

1223254530 is a wasteful number, since it uses less digits than its factorization.

1223254530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12531 (or 12528 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1223254530 is about 34975.0558255452. The cubic root of 1223254530 is about 1069.4790400762.

Adding to 1223254530 its reverse (354523221), we get a palindrome (1577777751).

The spelling of 1223254530 in words is "one billion, two hundred twenty-three million, two hundred fifty-four thousand, five hundred thirty".