120166441 has 2 divisors, whose sum is σ = 120166442. Its totient is φ = 120166440.

The previous prime is 120166439. The next prime is 120166463. The reversal of 120166441 is 144661021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71571600 + 48594841 = 8460^2 + 6971^2 .

It is a cyclic number.

It is not a de Polignac number, because 120166441 - 2¹ = 120166439 is a prime.

Together with 120166439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (120166411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60083220 + 60083221.

It is an arithmetic number, because the mean of its divisors is an integer number (60083221).

Almost surely, 2^120166441 is an apocalyptic number.

It is an amenable number.

120166441 is a deficient number, since it is larger than the sum of its proper divisors (1).

120166441 is an equidigital number, since it uses as much as digits as its factorization.

120166441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 120166441 is about 10962.0454751839. The cubic root of 120166441 is about 493.4703532943.

The spelling of 120166441 in words is "one hundred twenty million, one hundred sixty-six thousand, four hundred forty-one".