60120421 has 2 divisors, whose sum is σ = 60120422. Its totient is φ = 60120420.

The previous prime is 60120409. The next prime is 60120443. The reversal of 60120421 is 12402106.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34222500 + 25897921 = 5850^2 + 5089^2 .

It is a cyclic number.

It is not a de Polignac number, because 60120421 - 2¹⁵ = 60087653 is a prime.

It is a super-2 number, since 2×60120421² = 7228930042434482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 60120395 and 60120404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60120461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30060210 + 30060211.

It is an arithmetic number, because the mean of its divisors is an integer number (30060211).

Almost surely, 2^60120421 is an apocalyptic number.

It is an amenable number.

60120421 is a deficient number, since it is larger than the sum of its proper divisors (1).

60120421 is an equidigital number, since it uses as much as digits as its factorization.

60120421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 60120421 is about 7753.7359382429. The cubic root of 60120421 is about 391.7484959150.

Adding to 60120421 its reverse (12402106), we get a palindrome (72522527).

The spelling of 60120421 in words is "sixty million, one hundred twenty thousand, four hundred twenty-one".