10198042 has 4 divisors (see below), whose sum is σ = 15297066. Its totient is φ = 5099020.

The previous prime is 10198037. The next prime is 10198043. The reversal of 10198042 is 24089101.

It is a happy number.

10198042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24089101 = 1619 ⋅14879.

It can be written as a sum of positive squares in only one way, i.e., 9114361 + 1083681 = 3019^2 + 1041^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10197998 and 10198016.

It is not an unprimeable number, because it can be changed into a prime (10198043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2549509 + ... + 2549512.

Almost surely, 2^10198042 is an apocalyptic number.

10198042 is a deficient number, since it is larger than the sum of its proper divisors (5099024).

10198042 is an equidigital number, since it uses as much as digits as its factorization.

10198042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5099023.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 10198042 is about 3193.4373330316. The cubic root of 10198042 is about 216.8564107734.

The spelling of 10198042 in words is "ten million, one hundred ninety-eight thousand, forty-two".