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120020507 is a prime number
BaseRepresentation
bin1110010011101…
…01111000011011
322100211200011222
413021311320123
5221211124012
615524242255
72655105005
oct711657033
9270750158
10120020507
1161826202
123424038b
131bb33369
1411d23375
15a80b972
hex7275e1b

120020507 has 2 divisors, whose sum is σ = 120020508. Its totient is φ = 120020506.

The previous prime is 120020501. The next prime is 120020519. The reversal of 120020507 is 705020021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120020507 - 24 = 120020491 is a prime.

It is not a weakly prime, because it can be changed into another prime (120020501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010253 + 60010254.

It is an arithmetic number, because the mean of its divisors is an integer number (60010254).

Almost surely, 2120020507 is an apocalyptic number.

120020507 is a deficient number, since it is larger than the sum of its proper divisors (1).

120020507 is an equidigital number, since it uses as much as digits as its factorization.

120020507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 120020507 is about 10955.3871223248. The cubic root of 120020507 is about 493.2705102718.

Adding to 120020507 its reverse (705020021), we get a palindrome (825040528).

The spelling of 120020507 in words is "one hundred twenty million, twenty thousand, five hundred seven".