1268051775 has 24 divisors (see below), whose sum is σ = 2141124864. Its totient is φ = 661903200.

The previous prime is 1268051717. The next prime is 1268051789. The reversal of 1268051775 is 5771508621.

It is not a de Polignac number, because 1268051775 - 2⁶ = 1268051711 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176341 + ... + 183390.

It is an arithmetic number, because the mean of its divisors is an integer number (89213536).

Almost surely, 2^1268051775 is an apocalyptic number.

1268051775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1268051775 is a deficient number, since it is larger than the sum of its proper divisors (873073089).

1268051775 is a wasteful number, since it uses less digits than its factorization.

1268051775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359791 (or 359786 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 42.

The square root of 1268051775 is about 35609.7146155371. The cubic root of 1268051775 is about 1082.3780973442.

The spelling of 1268051775 in words is "one billion, two hundred sixty-eight million, fifty-one thousand, seven hundred seventy-five".