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120102401 = 1931203909
BaseRepresentation
bin1110010100010…
…01111000000001
322100222211112002
413022021320001
5221221234101
615530113345
72655565526
oct712117001
9270884462
10120102401
1161881791
123427b855
131bb61713
1411d4514d
15a825d6b
hex7289e01

120102401 has 8 divisors (see below), whose sum is σ = 130502400. Its totient is φ = 110110320.

The previous prime is 120102371. The next prime is 120102403. The reversal of 120102401 is 104201021.

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

It is not a de Polignac number, because 120102401 - 26 = 120102337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120102403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101366 + ... + 102543.

It is an arithmetic number, because the mean of its divisors is an integer number (16312800).

Almost surely, 2120102401 is an apocalyptic number.

It is an amenable number.

120102401 is a deficient number, since it is larger than the sum of its proper divisors (10399999).

120102401 is a wasteful number, since it uses less digits than its factorization.

120102401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203959.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 120102401 is about 10959.1240982115. The cubic root of 120102401 is about 493.3826764114.

Adding to 120102401 its reverse (104201021), we get a palindrome (224303422).

The spelling of 120102401 in words is "one hundred twenty million, one hundred two thousand, four hundred one".

Divisors: 1 19 31 589 203909 3874271 6321179 120102401