42110247 has 8 divisors (see below), whose sum is σ = 57098880. Its totient is φ = 27597560.

The previous prime is 42110227. The next prime is 42110273. The reversal of 42110247 is 74201124.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42110247 - 2⁷ = 42110119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42110227) 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 7 ways as a sum of consecutive naturals, for example, 118779 + ... + 119132.

It is an arithmetic number, because the mean of its divisors is an integer number (7137360).

Almost surely, 2^42110247 is an apocalyptic number.

42110247 is a deficient number, since it is larger than the sum of its proper divisors (14988633).

42110247 is a wasteful number, since it uses less digits than its factorization.

42110247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237973.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 42110247 is about 6489.2408646929. The cubic root of 42110247 is about 347.9065428124.

The spelling of 42110247 in words is "forty-two million, one hundred ten thousand, two hundred forty-seven".