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120427849 is a prime number
BaseRepresentation
bin1110010110110…
…01010101001001
322101121100221201
413023121111021
5221312142344
615541104201
72661422413
oct713312511
9271540851
10120427849
1161a84253
12343b8061
131bc468a9
1411dcb9b3
15a88c4d4
hex72d9549

120427849 has 2 divisors, whose sum is σ = 120427850. Its totient is φ = 120427848.

The previous prime is 120427843. The next prime is 120427861. The reversal of 120427849 is 948724021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67240000 + 53187849 = 8200^2 + 7293^2 .

It is a cyclic number.

It is not a de Polignac number, because 120427849 - 23 = 120427841 is a prime.

It is a Chen prime.

It is equal to p6864625 and since 120427849 and 6864625 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (120427841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60213924 + 60213925.

It is an arithmetic number, because the mean of its divisors is an integer number (60213925).

Almost surely, 2120427849 is an apocalyptic number.

It is an amenable number.

120427849 is a deficient number, since it is larger than the sum of its proper divisors (1).

120427849 is an equidigital number, since it uses as much as digits as its factorization.

120427849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 120427849 is about 10973.9623199645. The cubic root of 120427849 is about 493.8279230966.

It can be divided in two parts, 12042 and 7849, that added together give a palindrome (19891).

The spelling of 120427849 in words is "one hundred twenty million, four hundred twenty-seven thousand, eight hundred forty-nine".