1208885641 has 8 divisors (see below), whose sum is σ = 1256864000. Its totient is φ = 1161468720.

The previous prime is 1208885611. The next prime is 1208885669. The reversal of 1208885641 is 1465888021.

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

It is a cyclic number.

It is not a de Polignac number, because 1208885641 - 2¹⁹ = 1208361353 is a prime.

It is a super-2 number, since 2×1208885641² = 2922808986031961762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1208885611) 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, 135966 + ... + 144583.

It is an arithmetic number, because the mean of its divisors is an integer number (157108000).

Almost surely, 2^1208885641 is an apocalyptic number.

It is an amenable number.

1208885641 is a deficient number, since it is larger than the sum of its proper divisors (47978359).

1208885641 is a wasteful number, since it uses less digits than its factorization.

1208885641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280719.

The product of its (nonzero) digits is 122880, while the sum is 43.

The square root of 1208885641 is about 34769.0327878128. The cubic root of 1208885641 is about 1065.2750113770.

The spelling of 1208885641 in words is "one billion, two hundred eight million, eight hundred eighty-five thousand, six hundred forty-one".