42191301 has 8 divisors (see below), whose sum is σ = 56685024. Its totient is φ = 27912560.

The previous prime is 42191291. The next prime is 42191309. The reversal of 42191301 is 10319124.

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 42191301 - 2¹⁷ = 42060229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42191309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53286 + ... + 54071.

It is an arithmetic number, because the mean of its divisors is an integer number (7085628).

Almost surely, 2^42191301 is an apocalyptic number.

It is an amenable number.

42191301 is a deficient number, since it is larger than the sum of its proper divisors (14493723).

42191301 is a wasteful number, since it uses less digits than its factorization.

42191301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107491.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 42191301 is about 6495.4831229093. The cubic root of 42191301 is about 348.1296171280.

The spelling of 42191301 in words is "forty-two million, one hundred ninety-one thousand, three hundred one".