1234256063 has 4 divisors (see below), whose sum is σ = 1235568648. Its totient is φ = 1232943480.

The previous prime is 1234256053. The next prime is 1234256071. The reversal of 1234256063 is 3606524321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1234256063 - 2⁶ = 1234255999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234256053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654881 + ... + 656762.

It is an arithmetic number, because the mean of its divisors is an integer number (308892162).

Almost surely, 2^1234256063 is an apocalyptic number.

1234256063 is a deficient number, since it is larger than the sum of its proper divisors (1312585).

1234256063 is an equidigital number, since it uses as much as digits as its factorization.

1234256063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312584.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 1234256063 is about 35131.9806301894. The cubic root of 1234256063 is about 1072.6756523377.

The spelling of 1234256063 in words is "one billion, two hundred thirty-four million, two hundred fifty-six thousand, sixty-three".