1268854992 has 60 divisors (see below), whose sum is σ = 3556781280. Its totient is φ = 422266944.

The previous prime is 1268854991. The next prime is 1268854997. The reversal of 1268854992 is 2994588621.

It is a happy number.

1268854992 is a `hidden beast` number, since 1 + 2 + 6 + 8 + 8 + 549 + 92 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268854991) 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, 86359 + ... + 99977.

It is an arithmetic number, because the mean of its divisors is an integer number (59279688).

Almost surely, 2^1268854992 is an apocalyptic number.

1268854992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1268854992 is an abundant number, since it is smaller than the sum of its proper divisors (2287926288).

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

1268854992 is a wasteful number, since it uses less digits than its factorization.

1268854992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14280 (or 14271 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 1268854992 is about 35620.9908902041. The cubic root of 1268854992 is about 1082.6065845943.

The spelling of 1268854992 in words is "one billion, two hundred sixty-eight million, eight hundred fifty-four thousand, nine hundred ninety-two".