72121056060587 has 2 divisors, whose sum is σ = 72121056060588. Its totient is φ = 72121056060586.

The previous prime is 72121056060569. The next prime is 72121056060631. The reversal of 72121056060587 is 78506065012127.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72121056060587 - 2¹⁴ = 72121056044203 is a prime.

It is not a weakly prime, because it can be changed into another prime (72121058060587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36060528030293 + 36060528030294.

It is an arithmetic number, because the mean of its divisors is an integer number (36060528030294).

Almost surely, 2^{72121056060587} is an apocalyptic number.

72121056060587 is a deficient number, since it is larger than the sum of its proper divisors (1).

72121056060587 is an equidigital number, since it uses as much as digits as its factorization.

72121056060587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 72121056060587 in words is "seventy-two trillion, one hundred twenty-one billion, fifty-six million, sixty thousand, five hundred eighty-seven".