120221401 has 2 divisors, whose sum is σ = 120221402. Its totient is φ = 120221400.

The previous prime is 120221377. The next prime is 120221407. The reversal of 120221401 is 104122021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95570176 + 24651225 = 9776^2 + 4965^2 .

It is a cyclic number.

It is not a de Polignac number, because 120221401 - 2⁵ = 120221369 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120221407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60110700 + 60110701.

It is an arithmetic number, because the mean of its divisors is an integer number (60110701).

Almost surely, 2^120221401 is an apocalyptic number.

It is an amenable number.

120221401 is a deficient number, since it is larger than the sum of its proper divisors (1).

120221401 is an equidigital number, since it uses as much as digits as its factorization.

120221401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 120221401 is about 10964.5520200326. The cubic root of 120221401 is about 493.5455739540.

Adding to 120221401 its reverse (104122021), we get a palindrome (224343422).

The spelling of 120221401 in words is "one hundred twenty million, two hundred twenty-one thousand, four hundred one".