1211412763 has 8 divisors (see below), whose sum is σ = 1330412400. Its totient is φ = 1093891680.

The previous prime is 1211412757. The next prime is 1211412779. The reversal of 1211412763 is 3672141121.

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

It is a cyclic number.

It is not a de Polignac number, because 1211412763 - 2²⁹ = 674541851 is a prime.

It is a super-3 number, since 3×1211412763³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211412703) 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 in 7 ways as a sum of consecutive naturals, for example, 367920 + ... + 371197.

It is an arithmetic number, because the mean of its divisors is an integer number (166301550).

Almost surely, 2^1211412763 is an apocalyptic number.

1211412763 is a deficient number, since it is larger than the sum of its proper divisors (118999637).

1211412763 is a wasteful number, since it uses less digits than its factorization.

1211412763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739277.

The product of its digits is 2016, while the sum is 28.

The square root of 1211412763 is about 34805.3553781598. The cubic root of 1211412763 is about 1066.0167981682.

Adding to 1211412763 its reverse (3672141121), we get a palindrome (4883553884).

It can be divided in two parts, 121141 and 2763, that added together give a square (123904 = 352²).

The spelling of 1211412763 in words is "one billion, two hundred eleven million, four hundred twelve thousand, seven hundred sixty-three".