7120971 has 36 divisors (see below), whose sum is σ = 12199824. Its totient is φ = 3975840.

The previous prime is 7120969. The next prime is 7120987. The reversal of 7120971 is 1790217.

7120971 = T₅₃ + T₅₄ + ... + T₃₄₉.

It is not a de Polignac number, because 7120971 - 2¹ = 7120969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7120471) 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 35 ways as a sum of consecutive naturals, for example, 13906 + ... + 14408.

It is an arithmetic number, because the mean of its divisors is an integer number (338884).

Almost surely, 2^7120971 is an apocalyptic number.

7120971 is a deficient number, since it is larger than the sum of its proper divisors (5078853).

7120971 is a wasteful number, since it uses less digits than its factorization.

7120971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 7120971 is about 2668.5147554398. The cubic root of 7120971 is about 192.3887792898.

The spelling of 7120971 in words is "seven million, one hundred twenty thousand, nine hundred seventy-one".