1198625943 has 8 divisors (see below), whose sum is σ = 1649721856. Its totient is φ = 773307000.

The previous prime is 1198625927. The next prime is 1198625947. The reversal of 1198625943 is 3495268911.

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

It is not a de Polignac number, because 1198625943 - 2⁴ = 1198625927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1198625892 and 1198625901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198625947) 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, 6444133 + ... + 6444318.

It is an arithmetic number, because the mean of its divisors is an integer number (206215232).

Almost surely, 2^1198625943 is an apocalyptic number.

1198625943 is a deficient number, since it is larger than the sum of its proper divisors (451095913).

1198625943 is a wasteful number, since it uses less digits than its factorization.

1198625943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12888485.

The product of its digits is 466560, while the sum is 48.

The square root of 1198625943 is about 34621.1776662782. The cubic root of 1198625943 is about 1062.2528160950.

The spelling of 1198625943 in words is "one billion, one hundred ninety-eight million, six hundred twenty-five thousand, nine hundred forty-three".