1268451093 has 24 divisors (see below), whose sum is σ = 2118734688. Its totient is φ = 669072096.

The previous prime is 1268451083. The next prime is 1268451113. The reversal of 1268451093 is 3901548621.

It is not a de Polignac number, because 1268451093 - 2⁵ = 1268451061 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268451053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 329971 + ... + 333792.

It is an arithmetic number, because the mean of its divisors is an integer number (88280612).

Almost surely, 2^1268451093 is an apocalyptic number.

1268451093 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1268451093 is a deficient number, since it is larger than the sum of its proper divisors (850283595).

1268451093 is a wasteful number, since it uses less digits than its factorization.

1268451093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663793 (or 663786 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 1268451093 is about 35615.3210430567. The cubic root of 1268451093 is about 1082.4917014584.

The spelling of 1268451093 in words is "one billion, two hundred sixty-eight million, four hundred fifty-one thousand, ninety-three".