1198642873 has 16 divisors (see below), whose sum is σ = 1271571840. Its totient is φ = 1126742400.

The previous prime is 1198642853. The next prime is 1198642883. The reversal of 1198642873 is 3782468911.

It is a cyclic number.

It is not a de Polignac number, because 1198642873 - 2²⁹ = 661771961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1198642813) 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, 2461036 + ... + 2461522.

It is an arithmetic number, because the mean of its divisors is an integer number (79473240).

Almost surely, 2^1198642873 is an apocalyptic number.

It is an amenable number.

1198642873 is a deficient number, since it is larger than the sum of its proper divisors (72928967).

1198642873 is a wasteful number, since it uses less digits than its factorization.

1198642873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248.

The product of its digits is 580608, while the sum is 49.

The square root of 1198642873 is about 34621.4221689404. The cubic root of 1198642873 is about 1062.2578173371.

The spelling of 1198642873 in words is "one billion, one hundred ninety-eight million, six hundred forty-two thousand, eight hundred seventy-three".