10251121 has 2 divisors, whose sum is σ = 10251122. Its totient is φ = 10251120.

The previous prime is 10251113. The next prime is 10251139. The reversal of 10251121 is 12115201.

10251121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7398400 + 2852721 = 2720^2 + 1689^2 .

It is a cyclic number.

It is not a de Polignac number, because 10251121 - 2³ = 10251113 is a prime.

It is a super-3 number, since 3×10251121³ (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (10258121) 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 as a sum of consecutive naturals, namely, 5125560 + 5125561.

It is an arithmetic number, because the mean of its divisors is an integer number (5125561).

Almost surely, 2^10251121 is an apocalyptic number.

It is an amenable number.

10251121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10251121 is an equidigital number, since it uses as much as digits as its factorization.

10251121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 10251121 is about 3201.7371847171. The cubic root of 10251121 is about 217.2319929652.

Adding to 10251121 its reverse (12115201), we get a palindrome (22366322).

The spelling of 10251121 in words is "ten million, two hundred fifty-one thousand, one hundred twenty-one".