1208772768 has 72 divisors (see below), whose sum is σ = 3691088352. Its totient is φ = 345362304.

The previous prime is 1208772757. The next prime is 1208772779. The reversal of 1208772768 is 8672778021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1208772757) and next prime (1208772779).

It is a super-2 number, since 2×1208772768² = 2922263209316763648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123780 + ... + 133187.

It is an arithmetic number, because the mean of its divisors is an integer number (51265116).

Almost surely, 2^1208772768 is an apocalyptic number.

It is an amenable number.

1208772768 is an abundant number, since it is smaller than the sum of its proper divisors (2482315584).

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

1208772768 is a wasteful number, since it uses less digits than its factorization.

1208772768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256994 (or 256979 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 48.

The square root of 1208772768 is about 34767.4095670069. The cubic root of 1208772768 is about 1065.2418556274.

The spelling of 1208772768 in words is "one billion, two hundred eight million, seven hundred seventy-two thousand, seven hundred sixty-eight".