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1077121 = 1497229
BaseRepresentation
bin100000110111110000001
32000201112101
410012332001
5233431441
635030401
712104203
oct4067601
92021471
101077121
11676291
1243b401
132b9366
14200773
15164231
hex106f81

1077121 has 4 divisors (see below), whose sum is σ = 1084500. Its totient is φ = 1069744.

The previous prime is 1077101. The next prime is 1077127. The reversal of 1077121 is 1217701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1217701 = 5920639.

It can be written as a sum of positive squares in 2 ways, for example, as 698896 + 378225 = 836^2 + 615^2 .

It is a cyclic number.

It is not a de Polignac number, because 1077121 - 211 = 1075073 is a prime.

It is a Duffinian number.

1077121 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1077127) 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, 3466 + ... + 3763.

It is an arithmetic number, because the mean of its divisors is an integer number (271125).

21077121 is an apocalyptic number.

It is an amenable number.

1077121 is a deficient number, since it is larger than the sum of its proper divisors (7379).

1077121 is an equidigital number, since it uses as much as digits as its factorization.

1077121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7378.

The product of its (nonzero) digits is 98, while the sum is 19.

The square root of 1077121 is about 1037.8444006690. The cubic root of 1077121 is about 102.5073086202.

The spelling of 1077121 in words is "one million, seventy-seven thousand, one hundred twenty-one".

Divisors: 1 149 7229 1077121