1268273877 has 8 divisors (see below), whose sum is σ = 1821111264. Its totient is φ = 780476208.

The previous prime is 1268273873. The next prime is 1268273927. The reversal of 1268273877 is 7783728621.

It is a happy number.

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

It is not a de Polignac number, because 1268273877 - 2² = 1268273873 is a prime.

It is a super-2 number, since 2×1268273877² = 3217037254161222258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268273873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16259883 + ... + 16259960.

It is an arithmetic number, because the mean of its divisors is an integer number (227638908).

Almost surely, 2^1268273877 is an apocalyptic number.

It is an amenable number.

1268273877 is a deficient number, since it is larger than the sum of its proper divisors (552837387).

1268273877 is a wasteful number, since it uses less digits than its factorization.

1268273877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32519859.

The product of its digits is 1580544, while the sum is 51.

The square root of 1268273877 is about 35612.8330381058. The cubic root of 1268273877 is about 1082.4412872735.

The spelling of 1268273877 in words is "one billion, two hundred sixty-eight million, two hundred seventy-three thousand, eight hundred seventy-seven".