42099603 has 16 divisors (see below), whose sum is σ = 69086976. Its totient is φ = 22206240.

The previous prime is 42099593. The next prime is 42099613. The reversal of 42099603 is 30699024.

It is an interprime number because it is at equal distance from previous prime (42099593) and next prime (42099613).

It is not a de Polignac number, because 42099603 - 2⁶ = 42099539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42099613) 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 15 ways as a sum of consecutive naturals, for example, 76833 + ... + 77378.

It is an arithmetic number, because the mean of its divisors is an integer number (4317936).

Almost surely, 2^42099603 is an apocalyptic number.

42099603 is a deficient number, since it is larger than the sum of its proper divisors (26987373).

42099603 is a wasteful number, since it uses less digits than its factorization.

42099603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154234.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 42099603 is about 6488.4206861146. The cubic root of 42099603 is about 347.8772274671.

The spelling of 42099603 in words is "forty-two million, ninety-nine thousand, six hundred three".