10121259 has 4 divisors (see below), whose sum is σ = 13495016. Its totient is φ = 6747504.

The previous prime is 10121257. The next prime is 10121299. The reversal of 10121259 is 95212101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95212101 = 3 ⋅31737367.

It is not a de Polignac number, because 10121259 - 2¹ = 10121257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1686874 + ... + 1686879.

It is an arithmetic number, because the mean of its divisors is an integer number (3373754).

Almost surely, 2^10121259 is an apocalyptic number.

10121259 is a deficient number, since it is larger than the sum of its proper divisors (3373757).

10121259 is an equidigital number, since it uses as much as digits as its factorization.

10121259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373756.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 10121259 is about 3181.3926195929. The cubic root of 10121259 is about 216.3107880385.

The spelling of 10121259 in words is "ten million, one hundred twenty-one thousand, two hundred fifty-nine".