1208600491 has 16 divisors (see below), whose sum is σ = 1433283840. Its totient is φ = 997143840.

The previous prime is 1208600467. The next prime is 1208600521. The reversal of 1208600491 is 1940068021.

It is a happy number.

It is not a de Polignac number, because 1208600491 - 2²⁷ = 1074382763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1208600401) 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, 58200 + ... + 76186.

It is an arithmetic number, because the mean of its divisors is an integer number (89580240).

Almost surely, 2^1208600491 is an apocalyptic number.

1208600491 is a deficient number, since it is larger than the sum of its proper divisors (224683349).

1208600491 is a wasteful number, since it uses less digits than its factorization.

1208600491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18354.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1208600491 is about 34764.9319142149. The cubic root of 1208600491 is about 1065.1912463386.

The spelling of 1208600491 in words is "one billion, two hundred eight million, six hundred thousand, four hundred ninety-one".