42001267 has 24 divisors (see below), whose sum is σ = 55302912. Its totient is φ = 30985200.

The previous prime is 42001259. The next prime is 42001277. The reversal of 42001267 is 76210024.

It is not a de Polignac number, because 42001267 - 2³ = 42001259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42001217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27042 + ... + 28552.

It is an arithmetic number, because the mean of its divisors is an integer number (2304288).

Almost surely, 2^42001267 is an apocalyptic number.

42001267 is a deficient number, since it is larger than the sum of its proper divisors (13301645).

42001267 is a wasteful number, since it uses less digits than its factorization.

42001267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567 (or 1548 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 42001267 is about 6480.8384488429. The cubic root of 42001267 is about 347.6061597914.

The spelling of 42001267 in words is "forty-two million, one thousand, two hundred sixty-seven".