1268022153 has 16 divisors (see below), whose sum is σ = 1742886720. Its totient is φ = 819423936.

The previous prime is 1268022139. The next prime is 1268022167. The reversal of 1268022153 is 3512208621.

It is an interprime number because it is at equal distance from previous prime (1268022139) and next prime (1268022167).

It is not a de Polignac number, because 1268022153 - 2⁶ = 1268022089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1268022153.

It is not an unprimeable number, because it can be changed into a prime (1268022113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8626 + ... + 51092.

It is an arithmetic number, because the mean of its divisors is an integer number (108930420).

Almost surely, 2^1268022153 is an apocalyptic number.

It is an amenable number.

1268022153 is a deficient number, since it is larger than the sum of its proper divisors (474864567).

1268022153 is a wasteful number, since it uses less digits than its factorization.

1268022153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42776.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1268022153 is about 35609.2986872811. The cubic root of 1268022153 is about 1082.3696690728.

The spelling of 1268022153 in words is "one billion, two hundred sixty-eight million, twenty-two thousand, one hundred fifty-three".