1206339240 has 64 divisors (see below), whose sum is σ = 3622268160. Its totient is φ = 321401600.

The previous prime is 1206339229. The next prime is 1206339257. The reversal of 1206339240 is 429336021.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1206339198 and 1206339207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152257 + ... + 159983.

It is an arithmetic number, because the mean of its divisors is an integer number (56597940).

Almost surely, 2^1206339240 is an apocalyptic number.

1206339240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1206339240 is an abundant number, since it is smaller than the sum of its proper divisors (2415928920).

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

1206339240 is a wasteful number, since it uses less digits than its factorization.

1206339240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9042 (or 9038 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 1206339240 is about 34732.3946770159. The cubic root of 1206339240 is about 1064.5265192351.

The spelling of 1206339240 in words is "one billion, two hundred six million, three hundred thirty-nine thousand, two hundred forty".