1254243768 has 32 divisors (see below), whose sum is σ = 3158505360. Its totient is φ = 415028480.

The previous prime is 1254243721. The next prime is 1254243769. The reversal of 1254243768 is 8673424521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254243769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187443 + ... + 194018.

Almost surely, 2^1254243768 is an apocalyptic number.

It is an amenable number.

1254243768 is an abundant number, since it is smaller than the sum of its proper divisors (1904261592).

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

1254243768 is a wasteful number, since it uses less digits than its factorization.

1254243768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381607 (or 381603 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 1254243768 is about 35415.3041494775. The cubic root of 1254243768 is about 1078.4350241738.

The spelling of 1254243768 in words is "one billion, two hundred fifty-four million, two hundred forty-three thousand, seven hundred sixty-eight".