60681021 has 16 divisors (see below), whose sum is σ = 83899200. Its totient is φ = 38965248.

The previous prime is 60681017. The next prime is 60681037. The reversal of 60681021 is 12018606.

It is not a de Polignac number, because 60681021 - 2² = 60681017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 60680982 and 60681000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60681121) 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, 66450 + ... + 67356.

It is an arithmetic number, because the mean of its divisors is an integer number (5243700).

Almost surely, 2^60681021 is an apocalyptic number.

It is an amenable number.

60681021 is a deficient number, since it is larger than the sum of its proper divisors (23218179).

60681021 is a wasteful number, since it uses less digits than its factorization.

60681021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 60681021 is about 7789.8023723327. The cubic root of 60681021 is about 392.9623658515.

Adding to 60681021 its reverse (12018606), we get a palindrome (72699627).

The spelling of 60681021 in words is "sixty million, six hundred eighty-one thousand, twenty-one".