7120001 has 8 divisors (see below), whose sum is σ = 8202240. Its totient is φ = 6054048.

The previous prime is 7119979. The next prime is 7120007. The reversal of 7120001 is 1000217.

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

It is not a de Polignac number, because 7120001 - 2¹⁴ = 7103617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7120007) 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, 3116 + ... + 4893.

It is an arithmetic number, because the mean of its divisors is an integer number (1025280).

Almost surely, 2^7120001 is an apocalyptic number.

It is an amenable number.

7120001 is a deficient number, since it is larger than the sum of its proper divisors (1082239).

7120001 is a wasteful number, since it uses less digits than its factorization.

7120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8143.

The product of its (nonzero) digits is 14, while the sum is 11.

The square root of 7120001 is about 2668.3330002082. Note that the first 3 decimals coincide. The cubic root of 7120001 is about 192.3800433281.

Adding to 7120001 its reverse (1000217), we get a palindrome (8120218).

The spelling of 7120001 in words is "seven million, one hundred twenty thousand, one".