1206680475 has 96 divisors (see below), whose sum is σ = 2678828544. Its totient is φ = 462873600.

The previous prime is 1206680473. The next prime is 1206680507. The reversal of 1206680475 is 5740866021.

It is not a de Polignac number, because 1206680475 - 2¹ = 1206680473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1206680473) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 67039 + ... + 83111.

It is an arithmetic number, because the mean of its divisors is an integer number (27904464).

Almost surely, 2^1206680475 is an apocalyptic number.

1206680475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1206680475 is an abundant number, since it is smaller than the sum of its proper divisors (1472148069).

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

1206680475 is a wasteful number, since it uses less digits than its factorization.

1206680475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16117 (or 16112 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 1206680475 is about 34737.3066745250. The cubic root of 1206680475 is about 1064.6268833364.

The spelling of 1206680475 in words is "one billion, two hundred six million, six hundred eighty thousand, four hundred seventy-five".