1228254151 has 2 divisors, whose sum is σ = 1228254152. Its totient is φ = 1228254150.

The previous prime is 1228254121. The next prime is 1228254161. The reversal of 1228254151 is 1514528221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1228254151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1228254121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614127075 + 614127076.

It is an arithmetic number, because the mean of its divisors is an integer number (614127076).

Almost surely, 2^1228254151 is an apocalyptic number.

1228254151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228254151 is an equidigital number, since it uses as much as digits as its factorization.

1228254151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6400, while the sum is 31.

The square root of 1228254151 is about 35046.4570391930. The cubic root of 1228254151 is about 1070.9340988527.

The spelling of 1228254151 in words is "one billion, two hundred twenty-eight million, two hundred fifty-four thousand, one hundred fifty-one".