103133121 has 64 divisors (see below), whose sum is σ = 181708800. Its totient is φ = 50512896.

The previous prime is 103133119. The next prime is 103133123. The reversal of 103133121 is 121331301.

It is an interprime number because it is at equal distance from previous prime (103133119) and next prime (103133123).

It is not a de Polignac number, because 103133121 - 2¹ = 103133119 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 103133121.

It is not an unprimeable number, because it can be changed into a prime (103133123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 305865 + ... + 306201.

It is an arithmetic number, because the mean of its divisors is an integer number (2839200).

Almost surely, 2^103133121 is an apocalyptic number.

It is an amenable number.

103133121 is a deficient number, since it is larger than the sum of its proper divisors (78575679).

103133121 is a wasteful number, since it uses less digits than its factorization.

103133121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 103133121 is about 10155.4478483226. The cubic root of 103133121 is about 468.9566731661.

Adding to 103133121 its reverse (121331301), we get a palindrome (224464422).

The spelling of 103133121 in words is "one hundred three million, one hundred thirty-three thousand, one hundred twenty-one".