10121659 has 4 divisors (see below), whose sum is σ = 10226104. Its totient is φ = 10017216.

The previous prime is 10121651. The next prime is 10121677. The reversal of 10121659 is 95612101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10121659 - 2³ = 10121651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52077 + ... + 52270.

It is an arithmetic number, because the mean of its divisors is an integer number (2556526).

Almost surely, 2^10121659 is an apocalyptic number.

10121659 is a deficient number, since it is larger than the sum of its proper divisors (104445).

10121659 is an equidigital number, since it uses as much as digits as its factorization.

10121659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104444.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 10121659 is about 3181.4554845228. The cubic root of 10121659 is about 216.3136375910.

The spelling of 10121659 in words is "ten million, one hundred twenty-one thousand, six hundred fifty-nine".