105090487 has 2 divisors, whose sum is σ = 105090488. Its totient is φ = 105090486.

The previous prime is 105090457. The next prime is 105090511. The reversal of 105090487 is 784090501.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (784090501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105090487 is a prime.

It is a super-2 number, since 2×105090487² = 22088020915794338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105090457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52545243 + 52545244.

It is an arithmetic number, because the mean of its divisors is an integer number (52545244).

Almost surely, 2^105090487 is an apocalyptic number.

105090487 is a deficient number, since it is larger than the sum of its proper divisors (1).

105090487 is an equidigital number, since it uses as much as digits as its factorization.

105090487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 105090487 is about 10251.3651286060. The cubic root of 105090487 is about 471.9048797476.

The spelling of 105090487 in words is "one hundred five million, ninety thousand, four hundred eighty-seven".