1230275156 has 24 divisors (see below), whose sum is σ = 2472324960. Its totient is φ = 529783200.

The previous prime is 1230275143. The next prime is 1230275173. The reversal of 1230275156 is 6515720321.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 734975 + ... + 736646.

It is an arithmetic number, because the mean of its divisors is an integer number (103013540).

Almost surely, 2^1230275156 is an apocalyptic number.

It is an amenable number.

1230275156 is an abundant number, since it is smaller than the sum of its proper divisors (1242049804).

1230275156 is a wasteful number, since it uses less digits than its factorization.

1230275156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471655 (or 1471653 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 1230275156 is about 35075.2784165714. The cubic root of 1230275156 is about 1071.5211589897.

Adding to 1230275156 its reverse (6515720321), we get a palindrome (7745995477).

The spelling of 1230275156 in words is "one billion, two hundred thirty million, two hundred seventy-five thousand, one hundred fifty-six".