7122620061 has 40 divisors (see below), whose sum is σ = 10923442464. Its totient is φ = 4622637600.

The previous prime is 7122619997. The next prime is 7122620083. The reversal of 7122620061 is 1600262217.

It is not a de Polignac number, because 7122620061 - 2⁶ = 7122619997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7122620261) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1100886 + ... + 1107336.

Almost surely, 2^7122620061 is an apocalyptic number.

It is an amenable number.

7122620061 is a deficient number, since it is larger than the sum of its proper divisors (3800822403).

7122620061 is a wasteful number, since it uses less digits than its factorization.

7122620061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6823 (or 6814 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 7122620061 is about 84395.6163612779. The cubic root of 7122620061 is about 1924.0362915348.

Adding to 7122620061 its reverse (1600262217), we get a palindrome (8722882278).

The spelling of 7122620061 in words is "seven billion, one hundred twenty-two million, six hundred twenty thousand, sixty-one".