10721107 has 2 divisors, whose sum is σ = 10721108. Its totient is φ = 10721106.

The previous prime is 10721099. The next prime is 10721141. The reversal of 10721107 is 70112701.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10721107 - 2³ = 10721099 is a prime.

It is a super-2 number, since 2×10721107² = 229884270610898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10721807) 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, 5360553 + 5360554.

It is an arithmetic number, because the mean of its divisors is an integer number (5360554).

Almost surely, 2^10721107 is an apocalyptic number.

10721107 is a deficient number, since it is larger than the sum of its proper divisors (1).

10721107 is an equidigital number, since it uses as much as digits as its factorization.

10721107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98, while the sum is 19.

The square root of 10721107 is about 3274.3101563535. The cubic root of 10721107 is about 220.5023438202.

Adding to 10721107 its reverse (70112701), we get a palindrome (80833808).

The spelling of 10721107 in words is "ten million, seven hundred twenty-one thousand, one hundred seven".