7150121 has 4 divisors (see below), whose sum is σ = 7800144. Its totient is φ = 6500100.

The previous prime is 7150103. The next prime is 7150123. The reversal of 7150121 is 1210517.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7150121 - 2¹⁰ = 7149097 is a prime.

It is a super-2 number, since 2×7150121² = 102248460629282, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 7150121.

It is not an unprimeable number, because it can be changed into a prime (7150123) 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 3 ways as a sum of consecutive naturals, for example, 324995 + ... + 325016.

It is an arithmetic number, because the mean of its divisors is an integer number (1950036).

Almost surely, 2^7150121 is an apocalyptic number.

It is an amenable number.

7150121 is a deficient number, since it is larger than the sum of its proper divisors (650023).

7150121 is a wasteful number, since it uses less digits than its factorization.

7150121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650022.

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 7150121 is about 2673.9710170456. The cubic root of 7150121 is about 192.6509391317.

Adding to 7150121 its reverse (1210517), we get a palindrome (8360638).

The spelling of 7150121 in words is "seven million, one hundred fifty thousand, one hundred twenty-one".