10129919 has 2 divisors, whose sum is σ = 10129920. Its totient is φ = 10129918.

The previous prime is 10129871. The next prime is 10129927. The reversal of 10129919 is 91992101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10129919 is a prime.

It is a super-2 number, since 2×10129919² = 205230517893122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10129939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5064959 + 5064960.

It is an arithmetic number, because the mean of its divisors is an integer number (5064960).

Almost surely, 2^10129919 is an apocalyptic number.

10129919 is a deficient number, since it is larger than the sum of its proper divisors (1).

10129919 is an equidigital number, since it uses as much as digits as its factorization.

10129919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 32.

The square root of 10129919 is about 3182.7533677619. The cubic root of 10129919 is about 216.3724640748.

The spelling of 10129919 in words is "ten million, one hundred twenty-nine thousand, nine hundred nineteen".