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120422321 = 313884591
BaseRepresentation
bin1110010110101…
…11111110110001
322101121002100222
413023113332301
5221312003241
615541022425
72661400325
oct713277661
9271532328
10120422321
1161a80088
12343b4a15
131bc44216
1411dc9985
15a88aa4b
hex72d7fb1

120422321 has 4 divisors (see below), whose sum is σ = 124306944. Its totient is φ = 116537700.

The previous prime is 120422311. The next prime is 120422327. The reversal of 120422321 is 123224021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 123224021 = 467263863.

It is a cyclic number.

It is not a de Polignac number, because 120422321 - 26 = 120422257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120422321.

It is not an unprimeable number, because it can be changed into a prime (120422327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1942265 + ... + 1942326.

It is an arithmetic number, because the mean of its divisors is an integer number (31076736).

Almost surely, 2120422321 is an apocalyptic number.

It is an amenable number.

120422321 is a deficient number, since it is larger than the sum of its proper divisors (3884623).

120422321 is an equidigital number, since it uses as much as digits as its factorization.

120422321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3884622.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 120422321 is about 10973.7104481575. The cubic root of 120422321 is about 493.8203669193.

Adding to 120422321 its reverse (123224021), we get a palindrome (243646342).

The spelling of 120422321 in words is "one hundred twenty million, four hundred twenty-two thousand, three hundred twenty-one".

Divisors: 1 31 3884591 120422321