1208064140 has 12 divisors (see below), whose sum is σ = 2536934736. Its totient is φ = 483225648.

The previous prime is 1208064127. The next prime is 1208064161. The reversal of 1208064140 is 414608021.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30201584 + ... + 30201623.

It is an arithmetic number, because the mean of its divisors is an integer number (211411228).

Almost surely, 2^1208064140 is an apocalyptic number.

1208064140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1208064140 is an abundant number, since it is smaller than the sum of its proper divisors (1328870596).

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

1208064140 is a wasteful number, since it uses less digits than its factorization.

1208064140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60403216 (or 60403214 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1208064140 is about 34757.2170922817. The cubic root of 1208064140 is about 1065.0336533408.

The spelling of 1208064140 in words is "one billion, two hundred eight million, sixty-four thousand, one hundred forty".