10121135 has 4 divisors (see below), whose sum is σ = 12145368. Its totient is φ = 8096904.

The previous prime is 10121131. The next prime is 10121143. The reversal of 10121135 is 53112101.

10121135 is digitally balanced in base 3, 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: 53112101 = 7 ⋅7587443.

It is a cyclic number.

It is not a de Polignac number, because 10121135 - 2² = 10121131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121131) 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, 1012109 + ... + 1012118.

It is an arithmetic number, because the mean of its divisors is an integer number (3036342).

Almost surely, 2^10121135 is an apocalyptic number.

10121135 is a deficient number, since it is larger than the sum of its proper divisors (2024233).

10121135 is an equidigital number, since it uses as much as digits as its factorization.

10121135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024232.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 10121135 is about 3181.3731312124. The cubic root of 10121135 is about 216.3099046620.

Adding to 10121135 its reverse (53112101), we get a palindrome (63233236).

The spelling of 10121135 in words is "ten million, one hundred twenty-one thousand, one hundred thirty-five".