60121613 has 4 divisors (see below), whose sum is σ = 60219360. Its totient is φ = 60023868.

The previous prime is 60121603. The next prime is 60121619. The reversal of 60121613 is 31612106.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 60121613 - 2⁴ = 60121597 is a prime.

It is a super-2 number, since 2×60121613² = 7229216699443538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60121619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47945 + ... + 49182.

It is an arithmetic number, because the mean of its divisors is an integer number (15054840).

Almost surely, 2^60121613 is an apocalyptic number.

It is an amenable number.

60121613 is a deficient number, since it is larger than the sum of its proper divisors (97747).

60121613 is an equidigital number, since it uses as much as digits as its factorization.

60121613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97746.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 60121613 is about 7753.8128040339. The cubic root of 60121613 is about 391.7510849472.

Adding to 60121613 its reverse (31612106), we get a palindrome (91733719).

The spelling of 60121613 in words is "sixty million, one hundred twenty-one thousand, six hundred thirteen".