42041087 has 12 divisors (see below), whose sum is σ = 46392528. Its totient is φ = 38068800.

The previous prime is 42041071. The next prime is 42041089. The reversal of 42041087 is 78014024.

It is not a de Polignac number, because 42041087 - 2⁴ = 42041071 is a prime.

It is a super-2 number, since 2×42041087² = 3534905992283138, 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 (42041089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40262 + ... + 41292.

It is an arithmetic number, because the mean of its divisors is an integer number (3866044).

Almost surely, 2^42041087 is an apocalyptic number.

42041087 is a deficient number, since it is larger than the sum of its proper divisors (4351441).

42041087 is a wasteful number, since it uses less digits than its factorization.

42041087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390 (or 1379 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 42041087 is about 6483.9098544011. The cubic root of 42041087 is about 347.7159763620.

The spelling of 42041087 in words is "forty-two million, forty-one thousand, eighty-seven".