1254256266 has 32 divisors (see below), whose sum is σ = 2587763520. Its totient is φ = 404977536.

The previous prime is 1254256261. The next prime is 1254256271. The reversal of 1254256266 is 6626524521.

It is an interprime number because it is at equal distance from previous prime (1254256261) and next prime (1254256271).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1254256261) 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, 37950 + ... + 62838.

It is an arithmetic number, because the mean of its divisors is an integer number (80867610).

Almost surely, 2^1254256266 is an apocalyptic number.

1254256266 is an abundant number, since it is smaller than the sum of its proper divisors (1333507254).

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

1254256266 is a wasteful number, since it uses less digits than its factorization.

1254256266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25158.

The product of its digits is 172800, while the sum is 39.

The square root of 1254256266 is about 35415.4805981791. The cubic root of 1254256266 is about 1078.4386062091.

The spelling of 1254256266 in words is "one billion, two hundred fifty-four million, two hundred fifty-six thousand, two hundred sixty-six".