10491127 has 4 divisors (see below), whose sum is σ = 10852920. Its totient is φ = 10129336.

The previous prime is 10491119. The next prime is 10491133. The reversal of 10491127 is 72119401.

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

It is a cyclic number.

It is not a de Polignac number, because 10491127 - 2³ = 10491119 is a prime.

It is a super-2 number, since 2×10491127² = 220127491460258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10491137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180853 + ... + 180910.

It is an arithmetic number, because the mean of its divisors is an integer number (2713230).

Almost surely, 2^10491127 is an apocalyptic number.

10491127 is a deficient number, since it is larger than the sum of its proper divisors (361793).

10491127 is an equidigital number, since it uses as much as digits as its factorization.

10491127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361792.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 10491127 is about 3239.0009262117. Note that the first 3 decimals coincide. The cubic root of 10491127 is about 218.9142579079.

The spelling of 10491127 in words is "ten million, four hundred ninety-one thousand, one hundred twenty-seven".