Search a number
-
+
120442061 is a prime number
BaseRepresentation
bin1110010110111…
…00110011001101
322101122002110002
413023130303031
5221313121221
615541254045
72661512015
oct713346315
9271562402
10120442061
1161a939a3
1234404325
131bc501bc
1411dd2c45
15a89180b
hex72dcccd

120442061 has 2 divisors, whose sum is σ = 120442062. Its totient is φ = 120442060.

The previous prime is 120442039. The next prime is 120442111. The reversal of 120442061 is 160244021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105472900 + 14969161 = 10270^2 + 3869^2 .

It is a cyclic number.

It is not a de Polignac number, because 120442061 - 226 = 53333197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120442261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60221030 + 60221031.

It is an arithmetic number, because the mean of its divisors is an integer number (60221031).

Almost surely, 2120442061 is an apocalyptic number.

It is an amenable number.

120442061 is a deficient number, since it is larger than the sum of its proper divisors (1).

120442061 is an equidigital number, since it uses as much as digits as its factorization.

120442061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 120442061 is about 10974.6098336114. The cubic root of 120442061 is about 493.8473483000.

Adding to 120442061 its reverse (160244021), we get a palindrome (280686082).

The spelling of 120442061 in words is "one hundred twenty million, four hundred forty-two thousand, sixty-one".