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120150881 is a prime number
BaseRepresentation
bin1110010100101…
…01101101100001
322101002022000122
413022111231201
5221224312011
615531130025
72656160054
oct712255541
9271068018
10120150881
1161905154
12342a3915
131bb7a7c6
1411d58a9b
15a8353db
hex7295b61

120150881 has 2 divisors, whose sum is σ = 120150882. Its totient is φ = 120150880.

The previous prime is 120150871. The next prime is 120150911. The reversal of 120150881 is 188051021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115240225 + 4910656 = 10735^2 + 2216^2 .

It is a cyclic number.

It is not a de Polignac number, because 120150881 - 26 = 120150817 is a prime.

It is a super-2 number, since 2×1201508812 = 28872468410152322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120150881.

It is not a weakly prime, because it can be changed into another prime (120150871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60075440 + 60075441.

It is an arithmetic number, because the mean of its divisors is an integer number (60075441).

Almost surely, 2120150881 is an apocalyptic number.

It is an amenable number.

120150881 is a deficient number, since it is larger than the sum of its proper divisors (1).

120150881 is an equidigital number, since it uses as much as digits as its factorization.

120150881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 26.

The square root of 120150881 is about 10961.3357306489. The cubic root of 120150881 is about 493.4490530320.

The spelling of 120150881 in words is "one hundred twenty million, one hundred fifty thousand, eight hundred eighty-one".