7121016061 has 8 divisors (see below), whose sum is σ = 7504274880. Its totient is φ = 6738604128.

The previous prime is 7121016059. The next prime is 7121016101. The reversal of 7121016061 is 1606101217.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7121016061 - 2¹ = 7121016059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7121026061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194416 + ... + 228121.

It is an arithmetic number, because the mean of its divisors is an integer number (938034360).

Almost surely, 2^7121016061 is an apocalyptic number.

It is an amenable number.

7121016061 is a deficient number, since it is larger than the sum of its proper divisors (383258819).

7121016061 is a wasteful number, since it uses less digits than its factorization.

7121016061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423443.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 7121016061 is about 84386.1129629751. The cubic root of 7121016061 is about 1923.8918509648.

Adding to 7121016061 its reverse (1606101217), we get a palindrome (8727117278).

The spelling of 7121016061 in words is "seven billion, one hundred twenty-one million, sixteen thousand, sixty-one".