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1012117 = 8571181
BaseRepresentation
bin11110111000110010101
31220102100211
43313012111
5224341432
633405421
711413531
oct3670625
91812324
101012117
11631467
12409871
132958b2
141c4bc1
1514ed47
hexf7195

1012117 has 4 divisors (see below), whose sum is σ = 1014156. Its totient is φ = 1010080.

The previous prime is 1012103. The next prime is 1012133. The reversal of 1012117 is 7112101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7112101 = 40917389.

It can be written as a sum of positive squares in 2 ways, for example, as 933156 + 78961 = 966^2 + 281^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012117 - 211 = 1010069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012097 and 1012106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012147) 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, 267 + ... + 1447.

It is an arithmetic number, because the mean of its divisors is an integer number (253539).

21012117 is an apocalyptic number.

It is an amenable number.

1012117 is a deficient number, since it is larger than the sum of its proper divisors (2039).

1012117 is an equidigital number, since it uses as much as digits as its factorization.

1012117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038.

The product of its (nonzero) digits is 14, while the sum is 13.

The square root of 1012117 is about 1006.0402576438. The cubic root of 1012117 is about 100.4022795417.

Adding to 1012117 its reverse (7112101), we get a palindrome (8124218).

The spelling of 1012117 in words is "one million, twelve thousand, one hundred seventeen".

Divisors: 1 857 1181 1012117