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1307201 = 7186743
BaseRepresentation
bin100111111001001000001
32110102010212
410333021001
5313312301
644003505
714053040
oct4771101
92412125
101307201
11813135
12530595
13369cbc
14260557
151ac4bb
hex13f241

1307201 has 4 divisors (see below), whose sum is σ = 1493952. Its totient is φ = 1120452.

The previous prime is 1307197. The next prime is 1307209. The reversal of 1307201 is 1027031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1307201 - 22 = 1307197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1307209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93365 + ... + 93378.

It is an arithmetic number, because the mean of its divisors is an integer number (373488).

21307201 is an apocalyptic number.

It is an amenable number.

1307201 is a deficient number, since it is larger than the sum of its proper divisors (186751).

1307201 is an equidigital number, since it uses as much as digits as its factorization.

1307201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186750.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 1307201 is about 1143.3289115561. The cubic root of 1307201 is about 109.3404332672.

The spelling of 1307201 in words is "one million, three hundred seven thousand, two hundred one".

Divisors: 1 7 186743 1307201