2071242 has 24 divisors (see below), whose sum is σ = 4683744. Its totient is φ = 660264.

The previous prime is 2071213. The next prime is 2071259. The reversal of 2071242 is 2421702.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2088 + ... + 2915.

It is an arithmetic number, because the mean of its divisors is an integer number (195156).

2^2071242 is an apocalyptic number.

2071242 is an abundant number, since it is smaller than the sum of its proper divisors (2612502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2071242 is a wasteful number, since it uses less digits than its factorization.

2071242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5034 (or 5031 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 2071242 is about 1439.1810171066. The cubic root of 2071242 is about 127.4706737627.

Adding to 2071242 its reverse (2421702), we get a palindrome (4492944).

The spelling of 2071242 in words is "two million, seventy-one thousand, two hundred forty-two".