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1270057 = 4130977
BaseRepresentation
bin100110110000100101001
32101112012011
410312010221
5311120212
643115521
713536535
oct4660451
92345164
101270057
11798238
12512ba1
13356119
14250bc5
151a14a7
hex136129

1270057 has 4 divisors (see below), whose sum is σ = 1301076. Its totient is φ = 1239040.

The previous prime is 1270051. The next prime is 1270063. The reversal of 1270057 is 7500721.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1270051) and next prime (1270063).

It can be written as a sum of positive squares in 2 ways, for example, as 767376 + 502681 = 876^2 + 709^2 .

It is a cyclic number.

It is not a de Polignac number, because 1270057 - 27 = 1269929 is a prime.

It is a super-2 number, since 2×12700572 = 3226089566498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1270051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15448 + ... + 15529.

It is an arithmetic number, because the mean of its divisors is an integer number (325269).

21270057 is an apocalyptic number.

It is an amenable number.

1270057 is a deficient number, since it is larger than the sum of its proper divisors (31019).

1270057 is an equidigital number, since it uses as much as digits as its factorization.

1270057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31018.

The product of its (nonzero) digits is 490, while the sum is 22.

The square root of 1270057 is about 1126.9680563352. The cubic root of 1270057 is about 108.2948333936.

Adding to 1270057 its reverse (7500721), we get a palindrome (8770778).

The spelling of 1270057 in words is "one million, two hundred seventy thousand, fifty-seven".

Divisors: 1 41 30977 1270057