10045121 has 4 divisors (see below), whose sum is σ = 10087044. Its totient is φ = 10003200.

The previous prime is 10045117. The next prime is 10045127. The reversal of 10045121 is 12154001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8042896 + 2002225 = 2836^2 + 1415^2 .

It is a cyclic number.

It is not a de Polignac number, because 10045121 - 2² = 10045117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10045096 and 10045105.

It is not an unprimeable number, because it can be changed into a prime (10045127) 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, 20600 + ... + 21081.

It is an arithmetic number, because the mean of its divisors is an integer number (2521761).

Almost surely, 2^10045121 is an apocalyptic number.

It is an amenable number.

10045121 is a deficient number, since it is larger than the sum of its proper divisors (41923).

10045121 is an equidigital number, since it uses as much as digits as its factorization.

10045121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41922.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 10045121 is about 3169.4038871687. The cubic root of 10045121 is about 215.7670170219.

Adding to 10045121 its reverse (12154001), we get a palindrome (22199122).

The spelling of 10045121 in words is "ten million, forty-five thousand, one hundred twenty-one".