10172842 has 8 divisors (see below), whose sum is σ = 15468516. Its totient is φ = 5016672.

The previous prime is 10172819. The next prime is 10172843. The reversal of 10172842 is 24827101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9174841 + 998001 = 3029^2 + 999^2 .

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

It is not an unprimeable number, because it can be changed into a prime (10172843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34693 + ... + 34984.

Almost surely, 2^10172842 is an apocalyptic number.

10172842 is a deficient number, since it is larger than the sum of its proper divisors (5295674).

10172842 is an equidigital number, since it uses as much as digits as its factorization.

10172842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69752.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 10172842 is about 3189.4893008129. The cubic root of 10172842 is about 216.6776415217.

Adding to 10172842 its reverse (24827101), we get a palindrome (34999943).

The spelling of 10172842 in words is "ten million, one hundred seventy-two thousand, eight hundred forty-two".