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120131201 = 476738149
BaseRepresentation
bin1110010100100…
…00111010000001
322101001022000202
413022100322001
5221223144301
615530454545
72656045511
oct712207201
9271038022
10120131201
11618a1393
1234294455
131bb71868
1411d51841
15a82e66b
hex7290e81

120131201 has 8 divisors (see below), whose sum is σ = 124521600. Its totient is φ = 115817328.

The previous prime is 120131177. The next prime is 120131213. The reversal of 120131201 is 102131021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120131201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120131261) 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, 15926 + ... + 22223.

It is an arithmetic number, because the mean of its divisors is an integer number (15565200).

Almost surely, 2120131201 is an apocalyptic number.

It is an amenable number.

120131201 is a deficient number, since it is larger than the sum of its proper divisors (4390399).

120131201 is an equidigital number, since it uses as much as digits as its factorization.

120131201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38263.

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

The square root of 120131201 is about 10960.4379930731. The cubic root of 120131201 is about 493.4221102205.

Adding to 120131201 its reverse (102131021), we get a palindrome (222262222).

The spelling of 120131201 in words is "one hundred twenty million, one hundred thirty-one thousand, two hundred one".