1230542225 has 24 divisors (see below), whose sum is σ = 1705203360. Its totient is φ = 873104000.

The previous prime is 1230542219. The next prime is 1230542231. The reversal of 1230542225 is 5222450321.

It is an interprime number because it is at equal distance from previous prime (1230542219) and next prime (1230542231).

It is not a de Polignac number, because 1230542225 - 2²⁰ = 1229493649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1230542194 and 1230542203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43295 + ... + 65844.

It is an arithmetic number, because the mean of its divisors is an integer number (71050140).

Almost surely, 2^1230542225 is an apocalyptic number.

It is an amenable number.

1230542225 is a deficient number, since it is larger than the sum of its proper divisors (474661135).

1230542225 is a wasteful number, since it uses less digits than its factorization.

1230542225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109201 (or 109196 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1230542225 is about 35079.0852930917. The cubic root of 1230542225 is about 1071.5986889033.

Adding to 1230542225 its reverse (5222450321), we get a palindrome (6452992546).

The spelling of 1230542225 in words is "one billion, two hundred thirty million, five hundred forty-two thousand, two hundred twenty-five".