1234987163 has 2 divisors, whose sum is σ = 1234987164. Its totient is φ = 1234987162.

The previous prime is 1234987097. The next prime is 1234987241. The reversal of 1234987163 is 3617894321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1234987163 - 2¹⁶ = 1234921627 is a prime.

It is not a weakly prime, because it can be changed into another prime (1234986163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617493581 + 617493582.

It is an arithmetic number, because the mean of its divisors is an integer number (617493582).

Almost surely, 2^1234987163 is an apocalyptic number.

1234987163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234987163 is an equidigital number, since it uses as much as digits as its factorization.

1234987163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 1234987163 is about 35142.3841393836. The cubic root of 1234987163 is about 1072.8874069861.

The spelling of 1234987163 in words is "one billion, two hundred thirty-four million, nine hundred eighty-seven thousand, one hundred sixty-three".