1262213055 has 12 divisors (see below), whose sum is σ = 2187836040. Its totient is φ = 673180272.

The previous prime is 1262213053. The next prime is 1262213083. The reversal of 1262213055 is 5503122621.

It is a happy number.

1262213055 is a `hidden beast` number, since 1 + 2 + 622 + 1 + 30 + 5 + 5 = 666.

It is not a de Polignac number, because 1262213055 - 2¹ = 1262213053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1262213053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14024545 + ... + 14024634.

It is an arithmetic number, because the mean of its divisors is an integer number (182319670).

Almost surely, 2^1262213055 is an apocalyptic number.

1262213055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1262213055 is a deficient number, since it is larger than the sum of its proper divisors (925622985).

1262213055 is a wasteful number, since it uses less digits than its factorization.

1262213055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28049190 (or 28049187 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1262213055 is about 35527.6379034689. The cubic root of 1262213055 is about 1080.7142780093.

Adding to 1262213055 its reverse (5503122621), we get a palindrome (6765335676).

The spelling of 1262213055 in words is "one billion, two hundred sixty-two million, two hundred thirteen thousand, fifty-five".