1268100957 has 8 divisors (see below), whose sum is σ = 1692160000. Its totient is φ = 844721280.

The previous prime is 1268100943. The next prime is 1268100959. The reversal of 1268100957 is 7590018621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1268100957 - 2³⁰ = 194359133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268100959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165469 + ... + 172962.

It is an arithmetic number, because the mean of its divisors is an integer number (211520000).

Almost surely, 2^1268100957 is an apocalyptic number.

It is an amenable number.

1268100957 is a deficient number, since it is larger than the sum of its proper divisors (424059043).

1268100957 is a wasteful number, since it uses less digits than its factorization.

1268100957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339683.

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 1268100957 is about 35610.4051788238. The cubic root of 1268100957 is about 1082.3920906822.

The spelling of 1268100957 in words is "one billion, two hundred sixty-eight million, one hundred thousand, nine hundred fifty-seven".