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120201407 = 1750314057
BaseRepresentation
bin1110010101000…
…10000010111111
322101011212022222
413022202002333
5221232421112
615532155555
72656460264
oct712420277
9271155288
10120201407
116193a107
1234308bbb
131bb977c1
1411d6d26b
15a845372
hex72a20bf

120201407 has 8 divisors (see below), whose sum is σ = 127534176. Its totient is φ = 112897792.

The previous prime is 120201397. The next prime is 120201409. The reversal of 120201407 is 704102021.

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 120201407 - 26 = 120201343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120201409) 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, 1523 + ... + 15579.

It is an arithmetic number, because the mean of its divisors is an integer number (15941772).

Almost surely, 2120201407 is an apocalyptic number.

120201407 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

120201407 is a deficient number, since it is larger than the sum of its proper divisors (7332769).

120201407 is a wasteful number, since it uses less digits than its factorization.

120201407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14577.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 120201407 is about 10963.6402257644. The cubic root of 120201407 is about 493.5182119447.

Adding to 120201407 its reverse (704102021), we get a palindrome (824303428).

The spelling of 120201407 in words is "one hundred twenty million, two hundred one thousand, four hundred seven".

Divisors: 1 17 503 8551 14057 238969 7070671 120201407