1228257007 has 2 divisors, whose sum is σ = 1228257008. Its totient is φ = 1228257006.

The previous prime is 1228256977. The next prime is 1228257029. The reversal of 1228257007 is 7007528221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1228257007 - 2²³ = 1219868399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1228257307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614128503 + 614128504.

It is an arithmetic number, because the mean of its divisors is an integer number (614128504).

Almost surely, 2^1228257007 is an apocalyptic number.

1228257007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228257007 is an equidigital number, since it uses as much as digits as its factorization.

1228257007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 1228257007 is about 35046.4977850855. The cubic root of 1228257007 is about 1070.9349289158.

The spelling of 1228257007 in words is "one billion, two hundred twenty-eight million, two hundred fifty-seven thousand, seven".