1230056403 has 16 divisors (see below), whose sum is σ = 1741727520. Its totient is φ = 769499136.

The previous prime is 1230056381. The next prime is 1230056413. The reversal of 1230056403 is 3046500321.

It is a happy number.

It is not a de Polignac number, because 1230056403 - 2⁶ = 1230056339 is a prime.

It is a super-2 number, since 2×1230056403² = 3026077509122596818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1230056413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18598 + ... + 52971.

It is an arithmetic number, because the mean of its divisors is an integer number (108857970).

Almost surely, 2^1230056403 is an apocalyptic number.

1230056403 is a deficient number, since it is larger than the sum of its proper divisors (511671117).

1230056403 is a wasteful number, since it uses less digits than its factorization.

1230056403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71926.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1230056403 is about 35072.1599420395. The cubic root of 1230056403 is about 1071.4576468122.

Adding to 1230056403 its reverse (3046500321), we get a palindrome (4276556724).

The spelling of 1230056403 in words is "one billion, two hundred thirty million, fifty-six thousand, four hundred three".