42901099 has 4 divisors (see below), whose sum is σ = 43209880. Its totient is φ = 42592320.

The previous prime is 42901097. The next prime is 42901127. The reversal of 42901099 is 99010924.

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 42901099 - 2¹ = 42901097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42901097) 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, 154182 + ... + 154459.

It is an arithmetic number, because the mean of its divisors is an integer number (10802470).

Almost surely, 2^42901099 is an apocalyptic number.

42901099 is a deficient number, since it is larger than the sum of its proper divisors (308781).

42901099 is a wasteful number, since it uses less digits than its factorization.

42901099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308780.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 42901099 is about 6549.8930525620. The cubic root of 42901099 is about 350.0710032819.

The spelling of 42901099 in words is "forty-two million, nine hundred one thousand, ninety-nine".