1206790278 has 16 divisors (see below), whose sum is σ = 2419664880. Its totient is φ = 401249376.

The previous prime is 1206790241. The next prime is 1206790279. The reversal of 1206790278 is 8720976021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206790279) 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, 250933 + ... + 255696.

It is an arithmetic number, because the mean of its divisors is an integer number (151229055).

Almost surely, 2^1206790278 is an apocalyptic number.

1206790278 is an abundant number, since it is smaller than the sum of its proper divisors (1212874602).

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

1206790278 is a wasteful number, since it uses less digits than its factorization.

1206790278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507031.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 1206790278 is about 34738.8871151625. The cubic root of 1206790278 is about 1064.6591745912.

The spelling of 1206790278 in words is "one billion, two hundred six million, seven hundred ninety thousand, two hundred seventy-eight".