1206926920 has 32 divisors (see below), whose sum is σ = 2721755520. Its totient is φ = 481673920.

The previous prime is 1206926893. The next prime is 1206926921. The reversal of 1206926920 is 296296021.

It is a self number, because there is not a number n which added to its sum of digits gives 1206926920.

It is not an unprimeable number, because it can be changed into a prime (1206926921) 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, 16336 + ... + 51775.

It is an arithmetic number, because the mean of its divisors is an integer number (85054860).

Almost surely, 2^1206926920 is an apocalyptic number.

1206926920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1206926920 is an abundant number, since it is smaller than the sum of its proper divisors (1514828600).

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

1206926920 is a wasteful number, since it uses less digits than its factorization.

1206926920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68565 (or 68561 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 1206926920 is about 34740.8537603784. The cubic root of 1206926920 is about 1064.6993560188.

The spelling of 1206926920 in words is "one billion, two hundred six million, nine hundred twenty-six thousand, nine hundred twenty".