19042071 has 8 divisors (see below), whose sum is σ = 25441920. Its totient is φ = 12668472.

The previous prime is 19042063. The next prime is 19042103. The reversal of 19042071 is 17024091.

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

It is not a de Polignac number, because 19042071 - 2³ = 19042063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19042021) 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, 4801 + ... + 7818.

It is an arithmetic number, because the mean of its divisors is an integer number (3180240).

Almost surely, 2^19042071 is an apocalyptic number.

19042071 is a deficient number, since it is larger than the sum of its proper divisors (6399849).

19042071 is a wasteful number, since it uses less digits than its factorization.

19042071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13125.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 19042071 is about 4363.7221497249. The cubic root of 19042071 is about 267.0369711320.

The spelling of 19042071 in words is "nineteen million, forty-two thousand, seventy-one".