1268127822 has 32 divisors (see below), whose sum is σ = 2768780448. Its totient is φ = 384846336.

The previous prime is 1268127797. The next prime is 1268127857. The reversal of 1268127822 is 2287218621.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105663 + ... + 117050.

It is an arithmetic number, because the mean of its divisors is an integer number (86524389).

Almost surely, 2^1268127822 is an apocalyptic number.

1268127822 is an abundant number, since it is smaller than the sum of its proper divisors (1500652626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1268127822 is a wasteful number, since it uses less digits than its factorization.

1268127822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222804.

The product of its digits is 43008, while the sum is 39.

The square root of 1268127822 is about 35610.7823839915. The cubic root of 1268127822 is about 1082.3997342004.

The spelling of 1268127822 in words is "one billion, two hundred sixty-eight million, one hundred twenty-seven thousand, eight hundred twenty-two".