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120540001 = 263458327
BaseRepresentation
bin1110010111101…
…00101101100001
322101211001210111
413023310231201
5221324240001
615543331321
72662400401
oct713645541
9271731714
10120540001
116205053a
1234450b41
131bc8595a
141201a801
15a8b0851
hex72f4b61

120540001 has 4 divisors (see below), whose sum is σ = 120998592. Its totient is φ = 120081412.

The previous prime is 120539983. The next prime is 120540023. The reversal of 120540001 is 100045021.

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.

It is a cyclic number.

It is not a de Polignac number, because 120540001 - 213 = 120531809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120540031) 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, 228901 + ... + 229426.

It is an arithmetic number, because the mean of its divisors is an integer number (30249648).

Almost surely, 2120540001 is an apocalyptic number.

It is an amenable number.

120540001 is a deficient number, since it is larger than the sum of its proper divisors (458591).

120540001 is an equidigital number, since it uses as much as digits as its factorization.

120540001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458590.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 120540001 is about 10979.0710444919. The cubic root of 120540001 is about 493.9811728252.

Adding to 120540001 its reverse (100045021), we get a palindrome (220585022).

The spelling of 120540001 in words is "one hundred twenty million, five hundred forty thousand, one".

Divisors: 1 263 458327 120540001