1425207 has 8 divisors (see below), whose sum is σ = 2171776. Its totient is φ = 814392.
The previous prime is 1425199. The next prime is 1425217. The reversal of 1425207 is 7025241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1425207 - 23 = 1425199 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 67867 = 1425207 / (1 + 4 + 2 + 5 + 2 + 0 + 7).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1425217) 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, 33913 + ... + 33954.
It is an arithmetic number, because the mean of its divisors is an integer number (271472).
21425207 is an apocalyptic number.
1425207 is a deficient number, since it is larger than the sum of its proper divisors (746569).
1425207 is an equidigital number, since it uses as much as digits as its factorization.
1425207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67877.
The product of its (nonzero) digits is 560, while the sum is 21.
The square root of 1425207 is about 1193.8203382419. The cubic root of 1425207 is about 112.5363043325.
The spelling of 1425207 in words is "one million, four hundred twenty-five thousand, two hundred seven".
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