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1250801 is a prime number
BaseRepresentation
bin100110001010111110001
32100112202222
410301113301
5310011201
642450425
713426436
oct4612761
92315688
101250801
11784822
12503a15
1334a426
14247b8d
1519a91b
hex1315f1

1250801 has 2 divisors, whose sum is σ = 1250802. Its totient is φ = 1250800.

The previous prime is 1250783. The next prime is 1250813. The reversal of 1250801 is 1080521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1157776 + 93025 = 1076^2 + 305^2 .

It is a cyclic number.

It is not a de Polignac number, because 1250801 - 26 = 1250737 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1250801.

It is not a weakly prime, because it can be changed into another prime (1250831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625400 + 625401.

It is an arithmetic number, because the mean of its divisors is an integer number (625401).

21250801 is an apocalyptic number.

It is an amenable number.

1250801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250801 is an equidigital number, since it uses as much as digits as its factorization.

1250801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1250801 is about 1118.3921494717. The cubic root of 1250801 is about 107.7447389510.

The spelling of 1250801 in words is "one million, two hundred fifty thousand, eight hundred one".