1264842203 has 2 divisors, whose sum is σ = 1264842204. Its totient is φ = 1264842202.

The previous prime is 1264842193. The next prime is 1264842233. The reversal of 1264842203 is 3022484621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1264842203 - 2¹⁴ = 1264825819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1264842203.

It is not a weakly prime, because it can be changed into another prime (1264842233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632421101 + 632421102.

It is an arithmetic number, because the mean of its divisors is an integer number (632421102).

Almost surely, 2^1264842203 is an apocalyptic number.

1264842203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264842203 is an equidigital number, since it uses as much as digits as its factorization.

1264842203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 1264842203 is about 35564.6201020059. The cubic root of 1264842203 is about 1081.4641216359.

The spelling of 1264842203 in words is "one billion, two hundred sixty-four million, eight hundred forty-two thousand, two hundred three".