7142401 has 16 divisors (see below), whose sum is σ = 8423296. Its totient is φ = 5930496.

The previous prime is 7142383. The next prime is 7142413. The reversal of 7142401 is 1042417.

It is a cyclic number.

It is not a de Polignac number, because 7142401 - 2⁹ = 7141889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7142501) 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, 45415 + ... + 45571.

It is an arithmetic number, because the mean of its divisors is an integer number (526456).

Almost surely, 2^7142401 is an apocalyptic number.

It is an amenable number.

7142401 is a deficient number, since it is larger than the sum of its proper divisors (1280895).

7142401 is a wasteful number, since it uses less digits than its factorization.

7142401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 7142401 is about 2672.5270812473. The cubic root of 7142401 is about 192.5815789610.

Adding to 7142401 its reverse (1042417), we get a palindrome (8184818).

The spelling of 7142401 in words is "seven million, one hundred forty-two thousand, four hundred one".