10121003 has 2 divisors, whose sum is σ = 10121004. Its totient is φ = 10121002.

The previous prime is 10120997. The next prime is 10121009. The reversal of 10121003 is 30012101.

10121003 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (10120997) and next prime (10121009).

It is a cyclic number.

It is not a de Polignac number, because 10121003 - 2¹⁸ = 9858859 is a prime.

It is not a weakly prime, because it can be changed into another prime (10121009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060501 + 5060502.

It is an arithmetic number, because the mean of its divisors is an integer number (5060502).

Almost surely, 2^10121003 is an apocalyptic number.

10121003 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121003 is an equidigital number, since it uses as much as digits as its factorization.

10121003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 10121003 is about 3181.3523853858. The cubic root of 10121003 is about 216.3089642856.

Adding to 10121003 its reverse (30012101), we get a palindrome (40133104).

The spelling of 10121003 in words is "ten million, one hundred twenty-one thousand, three".