7122620361 has 16 divisors (see below), whose sum is σ = 9918820800. Its totient is φ = 4541767488.

The previous prime is 7122620359. The next prime is 7122620363. The reversal of 7122620361 is 1630262217.

It is an interprime number because it is at equal distance from previous prime (7122620359) and next prime (7122620363).

It is not a de Polignac number, because 7122620361 - 2¹ = 7122620359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7122620363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537246 + ... + 550343.

It is an arithmetic number, because the mean of its divisors is an integer number (619926300).

Almost surely, 2^7122620361 is an apocalyptic number.

It is an amenable number.

7122620361 is a deficient number, since it is larger than the sum of its proper divisors (2796200439).

7122620361 is a wasteful number, since it uses less digits than its factorization.

7122620361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087688.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 7122620361 is about 84395.6181386214. The cubic root of 7122620361 is about 1924.0363185479.

Adding to 7122620361 its reverse (1630262217), we get a palindrome (8752882578).

The spelling of 7122620361 in words is "seven billion, one hundred twenty-two million, six hundred twenty thousand, three hundred sixty-one".