1262054231 has 2 divisors, whose sum is σ = 1262054232. Its totient is φ = 1262054230.

The previous prime is 1262054221. The next prime is 1262054239. The reversal of 1262054231 is 1324502621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1262054231 is a prime.

It is a super-2 number, since 2×1262054231² = 3185561763970002722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1262054231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1262054239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631027115 + 631027116.

It is an arithmetic number, because the mean of its divisors is an integer number (631027116).

Almost surely, 2^1262054231 is an apocalyptic number.

1262054231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1262054231 is an equidigital number, since it uses as much as digits as its factorization.

1262054231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1262054231 is about 35525.4026155933. The cubic root of 1262054231 is about 1080.6689474254.

Adding to 1262054231 its reverse (1324502621), we get a palindrome (2586556852).

The spelling of 1262054231 in words is "one billion, two hundred sixty-two million, fifty-four thousand, two hundred thirty-one".