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120398105 = 528385087
BaseRepresentation
bin1110010110100…
…10000100011001
322101112212011002
413023102010121
5221310214410
615540314345
72661236612
oct713220431
9271485132
10120398105
1161a63973
12343a29b5
131bc361a9
1411dc0c09
15a8837a5
hex72d2119

120398105 has 8 divisors (see below), whose sum is σ = 144989952. Its totient is φ = 95977008.

The previous prime is 120398101. The next prime is 120398147. The reversal of 120398105 is 501893021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120398105 - 22 = 120398101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120398101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41129 + ... + 43958.

It is an arithmetic number, because the mean of its divisors is an integer number (18123744).

Almost surely, 2120398105 is an apocalyptic number.

It is an amenable number.

120398105 is a deficient number, since it is larger than the sum of its proper divisors (24591847).

120398105 is an equidigital number, since it uses as much as digits as its factorization.

120398105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85375.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 120398105 is about 10972.6070284140. The cubic root of 120398105 is about 493.7872635445.

The spelling of 120398105 in words is "one hundred twenty million, three hundred ninety-eight thousand, one hundred five".

Divisors: 1 5 283 1415 85087 425435 24079621 120398105