10121207 has 4 divisors (see below), whose sum is σ = 10131576. Its totient is φ = 10110840.

The previous prime is 10121183. The next prime is 10121233. The reversal of 10121207 is 70212101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10121207 - 2⁶ = 10121143 is a prime.

It is a super-2 number, since 2×10121207² = 204877662273698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10121191 and 10121200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3548 + ... + 5729.

It is an arithmetic number, because the mean of its divisors is an integer number (2532894).

Almost surely, 2^10121207 is an apocalyptic number.

10121207 is a deficient number, since it is larger than the sum of its proper divisors (10369).

10121207 is an equidigital number, since it uses as much as digits as its factorization.

10121207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10368.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 10121207 is about 3181.3844470607. The cubic root of 10121207 is about 216.3104175912.

Adding to 10121207 its reverse (70212101), we get a palindrome (80333308).

The spelling of 10121207 in words is "ten million, one hundred twenty-one thousand, two hundred seven".