Search a number
-
+
1361041 = 11123731
BaseRepresentation
bin101001100010010010001
32120010222221
411030102101
5322023131
645101041
714366023
oct5142221
92503887
101361041
1184a630
12557781
13388666
14276013
151bd411
hex14c491

1361041 has 4 divisors (see below), whose sum is σ = 1484784. Its totient is φ = 1237300.

The previous prime is 1361029. The next prime is 1361047. The reversal of 1361041 is 1401631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1361041 - 29 = 1360529 is a prime.

It is a Duffinian number.

1361041 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1361047) 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, 61855 + ... + 61876.

It is an arithmetic number, because the mean of its divisors is an integer number (371196).

21361041 is an apocalyptic number.

1361041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1361041 is a deficient number, since it is larger than the sum of its proper divisors (123743).

1361041 is a wasteful number, since it uses less digits than its factorization.

1361041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123742.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1361041 is about 1166.6366186607. The cubic root of 1361041 is about 110.8214264757.

Adding to 1361041 its reverse (1401631), we get a palindrome (2762672).

The spelling of 1361041 in words is "one million, three hundred sixty-one thousand, forty-one".

Divisors: 1 11 123731 1361041