1262022253 has 2 divisors, whose sum is σ = 1262022254. Its totient is φ = 1262022252.

The previous prime is 1262022247. The next prime is 1262022263. The reversal of 1262022253 is 3522202621.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1034072649 + 227949604 = 32157^2 + 15098^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1262022253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1262022263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631011126 + 631011127.

It is an arithmetic number, because the mean of its divisors is an integer number (631011127).

Almost surely, 2^1262022253 is an apocalyptic number.

It is an amenable number.

1262022253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1262022253 is an equidigital number, since it uses as much as digits as its factorization.

1262022253 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 25.

The square root of 1262022253 is about 35524.9525404328. The cubic root of 1262022253 is about 1080.6598199984.

Adding to 1262022253 its reverse (3522202621), we get a palindrome (4784224874).

The spelling of 1262022253 in words is "one billion, two hundred sixty-two million, twenty-two thousand, two hundred fifty-three".