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1130257 is a prime number
BaseRepresentation
bin100010011111100010001
32010102102101
410103330101
5242132012
640120401
712415132
oct4237421
92112371
101130257
117021a7
12466101
133075bb
14215c89
15174d57
hex113f11

1130257 has 2 divisors, whose sum is σ = 1130258. Its totient is φ = 1130256.

The previous prime is 1130251. The next prime is 1130267. The reversal of 1130257 is 7520311.

1130257 is nontrivially palindromic in base 4.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 891136 + 239121 = 944^2 + 489^2 .

It is an emirp because it is prime and its reverse (7520311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1130257 - 211 = 1128209 is a prime.

It is a pancake number, because a pancake can be divided into 1130257 parts by 1503 straight cuts.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1130251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565128 + 565129.

It is an arithmetic number, because the mean of its divisors is an integer number (565129).

21130257 is an apocalyptic number.

It is an amenable number.

1130257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130257 is an equidigital number, since it uses as much as digits as its factorization.

1130257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 1130257 is about 1063.1354570326. The cubic root of 1130257 is about 104.1659394794.

Adding to 1130257 its reverse (7520311), we get a palindrome (8650568).

The spelling of 1130257 in words is "one million, one hundred thirty thousand, two hundred fifty-seven".