1268122535 has 8 divisors (see below), whose sum is σ = 1529715456. Its totient is φ = 1009185760.

The previous prime is 1268122511. The next prime is 1268122547. The reversal of 1268122535 is 5352218621.

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

It is not a de Polignac number, because 1268122535 - 2²² = 1263928231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1268122495 and 1268122504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662984 + ... + 664893.

It is an arithmetic number, because the mean of its divisors is an integer number (191214432).

Almost surely, 2^1268122535 is an apocalyptic number.

1268122535 is a deficient number, since it is larger than the sum of its proper divisors (261592921).

1268122535 is a wasteful number, since it uses less digits than its factorization.

1268122535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328073.

The product of its digits is 28800, while the sum is 35.

The square root of 1268122535 is about 35610.7081507796. The cubic root of 1268122535 is about 1082.3982299737.

The spelling of 1268122535 in words is "one billion, two hundred sixty-eight million, one hundred twenty-two thousand, five hundred thirty-five".