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120480421 is a prime number
BaseRepresentation
bin1110010111001…
…10001010100101
322101201001001211
413023212022211
5221320333141
615542151421
72662031605
oct713461245
9271631054
10120480421
116200a7a6
1234422571
131bc647b9
1412002c05
15a89cd81
hex72e62a5

120480421 has 2 divisors, whose sum is σ = 120480422. Its totient is φ = 120480420.

The previous prime is 120480407. The next prime is 120480431. The reversal of 120480421 is 124084021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106708900 + 13771521 = 10330^2 + 3711^2 .

It is a cyclic number.

It is not a de Polignac number, because 120480421 - 221 = 118383269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120480392 and 120480401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120480401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60240210 + 60240211.

It is an arithmetic number, because the mean of its divisors is an integer number (60240211).

Almost surely, 2120480421 is an apocalyptic number.

It is an amenable number.

120480421 is a deficient number, since it is larger than the sum of its proper divisors (1).

120480421 is an equidigital number, since it uses as much as digits as its factorization.

120480421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 120480421 is about 10976.3573648091. The cubic root of 120480421 is about 493.8997717731.

The spelling of 120480421 in words is "one hundred twenty million, four hundred eighty thousand, four hundred twenty-one".