1268375100 has 72 divisors (see below), whose sum is σ = 3885720048. Its totient is φ = 318336000.

The previous prime is 1268375029. The next prime is 1268375107. The reversal of 1268375100 is 15738621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268375107) 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, 119251 + ... + 129450.

It is an arithmetic number, because the mean of its divisors is an integer number (53968334).

Almost surely, 2^1268375100 is an apocalyptic number.

1268375100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1268375100 is an abundant number, since it is smaller than the sum of its proper divisors (2617344948).

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

1268375100 is a wasteful number, since it uses less digits than its factorization.

1268375100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248735 (or 248728 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 1268375100 is about 35614.2541688016. The cubic root of 1268375100 is about 1082.4700836404.

The spelling of 1268375100 in words is "one billion, two hundred sixty-eight million, three hundred seventy-five thousand, one hundred".