7161020 has 12 divisors (see below), whose sum is σ = 15038184. Its totient is φ = 2864400.

The previous prime is 7161013. The next prime is 7161023. The reversal of 7161020 is 201617.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7161020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7161023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179006 + ... + 179045.

It is an arithmetic number, because the mean of its divisors is an integer number (1253182).

Almost surely, 2^7161020 is an apocalyptic number.

It is an amenable number.

7161020 is an abundant number, since it is smaller than the sum of its proper divisors (7877164).

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

7161020 is a wasteful number, since it uses less digits than its factorization.

7161020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358060 (or 358058 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 7161020 is about 2676.0082212131. The cubic root of 7161020 is about 192.7487760132.

Adding to 7161020 its reverse (201617), we get a palindrome (7362637).

The spelling of 7161020 in words is "seven million, one hundred sixty-one thousand, twenty".