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120426 = 2320071
BaseRepresentation
bin11101011001101010
320010012020
4131121222
512323201
62325310
71011045
oct353152
9203166
10120426
1182529
1259836
1342a77
1431c5c
1525a36
hex1d66a

120426 has 8 divisors (see below), whose sum is σ = 240864. Its totient is φ = 40140.

The previous prime is 120413. The next prime is 120427. The reversal of 120426 is 624021.

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

120426 is an admirable number.

It is a Smith number, since the sum of its digits (15) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 120426.

It is not an unprimeable number, because it can be changed into a prime (120427) by changing a digit.

120426 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10030 + ... + 10041.

It is an arithmetic number, because the mean of its divisors is an integer number (30108).

2120426 is an apocalyptic number.

120426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120426 is a wasteful number, since it uses less digits than its factorization.

120426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20076.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 120426 is about 347.0244948127. The cubic root of 120426 is about 49.3825395740.

Adding to 120426 its reverse (624021), we get a palindrome (744447).

The spelling of 120426 in words is "one hundred twenty thousand, four hundred twenty-six".

Divisors: 1 2 3 6 20071 40142 60213 120426