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1246421 = 11210301
BaseRepresentation
bin100110000010011010101
32100022202202
410300103111
5304341141
642414245
713410611
oct4602325
92308682
101246421
11781500
12501385
13348437
14246341
1519949b
hex1304d5

1246421 has 6 divisors (see below), whose sum is σ = 1370166. Its totient is φ = 1133000.

The previous prime is 1246397. The next prime is 1246429.

1246421 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 1234321 + 12100 = 1111^2 + 110^2 .

It is not a de Polignac number, because 1246421 - 210 = 1245397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1246393 and 1246402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1246429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5030 + ... + 5271.

It is an arithmetic number, because the mean of its divisors is an integer number (228361).

21246421 is an apocalyptic number.

1246421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1246421 is a deficient number, since it is larger than the sum of its proper divisors (123745).

1246421 is a wasteful number, since it uses less digits than its factorization.

1246421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10323 (or 10312 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 1246421 is about 1116.4322639551. The cubic root of 1246421 is about 107.6188266003.

The spelling of 1246421 in words is "one million, two hundred forty-six thousand, four hundred twenty-one".

Divisors: 1 11 121 10301 113311 1246421