42162001 has 12 divisors (see below), whose sum is σ = 49740480. Its totient is φ = 35626920.

The previous prime is 42161983. The next prime is 42162019. The reversal of 42162001 is 10026124.

It is an interprime number because it is at equal distance from previous prime (42161983) and next prime (42162019).

It is not a de Polignac number, because 42162001 - 2¹⁵ = 42129233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42162031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2581 + ... + 9538.

It is an arithmetic number, because the mean of its divisors is an integer number (4145040).

Almost surely, 2^42162001 is an apocalyptic number.

It is an amenable number.

42162001 is a deficient number, since it is larger than the sum of its proper divisors (7578479).

42162001 is a wasteful number, since it uses less digits than its factorization.

42162001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12204 (or 12197 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 42162001 is about 6493.2273177519. The cubic root of 42162001 is about 348.0490115715.

Adding to 42162001 its reverse (10026124), we get a palindrome (52188125).

The spelling of 42162001 in words is "forty-two million, one hundred sixty-two thousand, one".