1263430211 has 8 divisors (see below), whose sum is σ = 1338876000. Its totient is φ = 1190109760.

The previous prime is 1263430193. The next prime is 1263430219. The reversal of 1263430211 is 1120343621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1263430211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1263430219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530111 + ... + 532488.

It is an arithmetic number, because the mean of its divisors is an integer number (167359500).

Almost surely, 2^1263430211 is an apocalyptic number.

1263430211 is a deficient number, since it is larger than the sum of its proper divisors (75445789).

1263430211 is a wasteful number, since it uses less digits than its factorization.

1263430211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062669.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1263430211 is about 35544.7634821221. The cubic root of 1263430211 is about 1081.0615451300.

Adding to 1263430211 its reverse (1120343621), we get a palindrome (2383773832).

The spelling of 1263430211 in words is "one billion, two hundred sixty-three million, four hundred thirty thousand, two hundred eleven".