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120321101 = 4110132897
BaseRepresentation
bin1110010101111…
…11010001001101
322101101221112002
413022333101031
5221300233401
615534522045
72660466245
oct712772115
9271357462
10120321101
1161a1102a
1234366325
131bc0a124
1411da0b25
15a86aa6b
hex72bf44d

120321101 has 8 divisors (see below), whose sum is σ = 123420024. Its totient is φ = 117230080.

The previous prime is 120321083. The next prime is 120321133. The reversal of 120321101 is 101123021.

It can be written as a sum of positive squares in 4 ways, for example, as 25745476 + 94575625 = 5074^2 + 9725^2 .

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 120321101 - 26 = 120321037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120321161) 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, 40085 + ... + 42981.

It is an arithmetic number, because the mean of its divisors is an integer number (15427503).

Almost surely, 2120321101 is an apocalyptic number.

It is an amenable number.

120321101 is a deficient number, since it is larger than the sum of its proper divisors (3098923).

120321101 is a wasteful number, since it uses less digits than its factorization.

120321101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3951.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 120321101 is about 10969.0975472005. The cubic root of 120321101 is about 493.6819692414.

Adding to 120321101 its reverse (101123021), we get a palindrome (221444122).

The spelling of 120321101 in words is "one hundred twenty million, three hundred twenty-one thousand, one hundred one".

Divisors: 1 41 1013 2897 41533 118777 2934661 120321101