1226525203 has 2 divisors, whose sum is σ = 1226525204. Its totient is φ = 1226525202.

The previous prime is 1226525191. The next prime is 1226525239. The reversal of 1226525203 is 3025256221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1226525203 - 2¹³ = 1226517011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1226525263) 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, 613262601 + 613262602.

It is an arithmetic number, because the mean of its divisors is an integer number (613262602).

Almost surely, 2^1226525203 is an apocalyptic number.

1226525203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226525203 is an equidigital number, since it uses as much as digits as its factorization.

1226525203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1226525203 is about 35021.7818364514. The cubic root of 1226525203 is about 1070.4313639094.

The spelling of 1226525203 in words is "one billion, two hundred twenty-six million, five hundred twenty-five thousand, two hundred three".