60142167121 has 9 divisors (see below), whose sum is σ = 60388161883. Its totient is φ = 59897173360.

The previous prime is 60142167103. The next prime is 60142167139. The reversal of 60142167121 is 12176124106.

The square root of 60142167121 is 245239.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (60142167103) and next prime (60142167139).

It can be written as a sum of positive squares in only one way, i.e., 9912392721 + 50229774400 = 99561^2 + 224120^2 .

It is not a de Polignac number, because 60142167121 - 2⁵ = 60142167089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60142167181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 105697725 + ... + 105698293.

Almost surely, 2^60142167121 is an apocalyptic number.

60142167121 is the 245239-th square number.

60142167121 is the 122620-th centered octagonal number.

It is an amenable number.

60142167121 is a deficient number, since it is larger than the sum of its proper divisors (245994762).

60142167121 is an frugal number, since it uses more digits than its factorization.

60142167121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 60142167121 in words is "sixty billion, one hundred forty-two million, one hundred sixty-seven thousand, one hundred twenty-one".