1208041263 has 64 divisors (see below), whose sum is σ = 2170613760. Its totient is φ = 653961600.

The previous prime is 1208041253. The next prime is 1208041271. The reversal of 1208041263 is 3621408021.

It is a de Polignac number, because none of the positive numbers 2^k-1208041263 is a prime.

It is a super-2 number, since 2×1208041263² = 2918727386221270338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208041253) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 114645 + ... + 124737.

It is an arithmetic number, because the mean of its divisors is an integer number (33915840).

Almost surely, 2^1208041263 is an apocalyptic number.

1208041263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1208041263 is a deficient number, since it is larger than the sum of its proper divisors (962572497).

1208041263 is a wasteful number, since it uses less digits than its factorization.

1208041263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10157 (or 10151 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1208041263 is about 34756.8879936050. The cubic root of 1208041263 is about 1065.0269304835.

Adding to 1208041263 its reverse (3621408021), we get a palindrome (4829449284).

The spelling of 1208041263 in words is "one billion, two hundred eight million, forty-one thousand, two hundred sixty-three".