1198959875 has 32 divisors (see below), whose sum is σ = 1551533568. Its totient is φ = 924048000.

The previous prime is 1198959857. The next prime is 1198959887. The reversal of 1198959875 is 5789598911.

It is a Cunningham number, because it is equal to 34626²-1.

It is not a de Polignac number, because 1198959875 - 2¹⁰ = 1198958851 is a prime.

It is a Duffinian number.

Its product of digits (8164800) is a multiple of the sum of its prime factors (1440).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1072817 + ... + 1073933.

It is an arithmetic number, because the mean of its divisors is an integer number (48485424).

Almost surely, 2^1198959875 is an apocalyptic number.

1198959875 is a deficient number, since it is larger than the sum of its proper divisors (352573693).

1198959875 is a wasteful number, since it uses less digits than its factorization.

1198959875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440 (or 1430 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 62.

The square root of 1198959875 is about 34625.9999855600. Note that the first 4 decimals coincide. The cubic root of 1198959875 is about 1062.3514532813.

The spelling of 1198959875 in words is "one billion, one hundred ninety-eight million, nine hundred fifty-nine thousand, eight hundred seventy-five".