120112621 has 2 divisors, whose sum is σ = 120112622. Its totient is φ = 120112620.

The previous prime is 120112609. The next prime is 120112639. The reversal of 120112621 is 126211021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60668521 + 59444100 = 7789^2 + 7710^2 .

It is a cyclic number.

It is not a de Polignac number, because 120112621 - 2¹⁷ = 119981549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120112595 and 120112604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120112651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60056310 + 60056311.

It is an arithmetic number, because the mean of its divisors is an integer number (60056311).

Almost surely, 2^120112621 is an apocalyptic number.

It is an amenable number.

120112621 is a deficient number, since it is larger than the sum of its proper divisors (1).

120112621 is an equidigital number, since it uses as much as digits as its factorization.

120112621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 120112621 is about 10959.5903664325. The cubic root of 120112621 is about 493.3966706583.

Adding to 120112621 its reverse (126211021), we get a palindrome (246323642).

The spelling of 120112621 in words is "one hundred twenty million, one hundred twelve thousand, six hundred twenty-one".