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1201427 = 19371709
BaseRepresentation
bin100100101010100010011
32021001001022
410211110103
5301421202
641430055
713132463
oct4452423
92231038
101201427
11750717
1249b32b
13330b06
14233ba3
1518aea2
hex125513

1201427 has 8 divisors (see below), whose sum is σ = 1299600. Its totient is φ = 1106784.

The previous prime is 1201381. The next prime is 1201439. The reversal of 1201427 is 7241021.

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 1201427 - 28 = 1201171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201027) 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, 152 + ... + 1557.

It is an arithmetic number, because the mean of its divisors is an integer number (162450).

21201427 is an apocalyptic number.

1201427 is a deficient number, since it is larger than the sum of its proper divisors (98173).

1201427 is a wasteful number, since it uses less digits than its factorization.

1201427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765.

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

The square root of 1201427 is about 1096.0962548974. The cubic root of 1201427 is about 106.3079628373.

Adding to 1201427 its reverse (7241021), we get a palindrome (8442448).

The spelling of 1201427 in words is "one million, two hundred one thousand, four hundred twenty-seven".

Divisors: 1 19 37 703 1709 32471 63233 1201427