1208140885 has 8 divisors (see below), whose sum is σ = 1656878976. Its totient is φ = 828439440.

The previous prime is 1208140861. The next prime is 1208140889. The reversal of 1208140885 is 5880418021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1208140885 - 2²⁵ = 1174586453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208140889) 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, 17259121 + ... + 17259190.

It is an arithmetic number, because the mean of its divisors is an integer number (207109872).

Almost surely, 2^1208140885 is an apocalyptic number.

It is an amenable number.

1208140885 is a deficient number, since it is larger than the sum of its proper divisors (448738091).

1208140885 is an equidigital number, since it uses as much as digits as its factorization.

1208140885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34518323.

The product of its (nonzero) digits is 20480, while the sum is 37.

The square root of 1208140885 is about 34758.3210900642. The cubic root of 1208140885 is about 1065.0562057518.

The spelling of 1208140885 in words is "one billion, two hundred eight million, one hundred forty thousand, eight hundred eighty-five".