1230122251 has 2 divisors, whose sum is σ = 1230122252. Its totient is φ = 1230122250.

The previous prime is 1230122233. The next prime is 1230122269. The reversal of 1230122251 is 1522210321.

It is a balanced prime because it is at equal distance from previous prime (1230122233) and next prime (1230122269).

It is a cyclic number.

It is not a de Polignac number, because 1230122251 - 2⁵ = 1230122219 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230122851) by changing a digit.

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 as a sum of consecutive naturals, namely, 615061125 + 615061126.

It is an arithmetic number, because the mean of its divisors is an integer number (615061126).

Almost surely, 2^1230122251 is an apocalyptic number.

1230122251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230122251 is an equidigital number, since it uses as much as digits as its factorization.

1230122251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1230122251 is about 35073.0986797574. The cubic root of 1230122251 is about 1071.4767657415.

Adding to 1230122251 its reverse (1522210321), we get a palindrome (2752332572).

The spelling of 1230122251 in words is "one billion, two hundred thirty million, one hundred twenty-two thousand, two hundred fifty-one".