60601221 has 6 divisors (see below), whose sum is σ = 87535110. Its totient is φ = 40400808.

The previous prime is 60601217. The next prime is 60601223. The reversal of 60601221 is 12210606.

It is a happy number.

60601221 is a `hidden beast` number, since 60 + 601 + 2 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 42068196 + 18533025 = 6486^2 + 4305^2 .

It is not a de Polignac number, because 60601221 - 2² = 60601217 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 60601194 and 60601203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60601223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3366726 + ... + 3366743.

It is an arithmetic number, because the mean of its divisors is an integer number (14589185).

Almost surely, 2^60601221 is an apocalyptic number.

It is an amenable number.

60601221 is a deficient number, since it is larger than the sum of its proper divisors (26933889).

60601221 is a wasteful number, since it uses less digits than its factorization.

60601221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6733475 (or 6733472 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 60601221 is about 7784.6786060826. The cubic root of 60601221 is about 392.7900321601.

Adding to 60601221 its reverse (12210606), we get a palindrome (72811827).

The spelling of 60601221 in words is "sixty million, six hundred one thousand, two hundred twenty-one".