1208490881 has 16 divisors (see below), whose sum is σ = 1314156480. Its totient is φ = 1104684480.

The previous prime is 1208490869. The next prime is 1208490889. The reversal of 1208490881 is 1880948021.

It is a cyclic number.

It is not a de Polignac number, because 1208490881 - 2¹⁰ = 1208489857 is a prime.

It is a super-2 number, since 2×1208490881² = 2920900418920312322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1208490889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1107146 + ... + 1108236.

It is an arithmetic number, because the mean of its divisors is an integer number (82134780).

Almost surely, 2^1208490881 is an apocalyptic number.

It is an amenable number.

1208490881 is a deficient number, since it is larger than the sum of its proper divisors (105665599).

1208490881 is a wasteful number, since it uses less digits than its factorization.

1208490881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856.

The product of its (nonzero) digits is 36864, while the sum is 41.

The square root of 1208490881 is about 34763.3554335596. The cubic root of 1208490881 is about 1065.1590440399.

The spelling of 1208490881 in words is "one billion, two hundred eight million, four hundred ninety thousand, eight hundred eighty-one".