105012727 has 4 divisors (see below), whose sum is σ = 105355096. Its totient is φ = 104670360.

The previous prime is 105012709. The next prime is 105012737. The reversal of 105012727 is 727210501.

It is a happy number.

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 105012727 - 2⁷ = 105012599 is a prime.

It is a super-2 number, since 2×105012727² = 22055345663953058, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105012737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170724 + ... + 171337.

It is an arithmetic number, because the mean of its divisors is an integer number (26338774).

Almost surely, 2^105012727 is an apocalyptic number.

105012727 is a deficient number, since it is larger than the sum of its proper divisors (342369).

105012727 is an equidigital number, since it uses as much as digits as its factorization.

105012727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342368.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 105012727 is about 10247.5717611540. The cubic root of 105012727 is about 471.7884582429.

The spelling of 105012727 in words is "one hundred five million, twelve thousand, seven hundred twenty-seven".