1144161 has 12 divisors (see below), whose sum is σ = 1739920. Its totient is φ = 722520.
The previous prime is 1144153. The next prime is 1144163. The reversal of 1144161 is 1614411.
It is not a de Polignac number, because 1144161 - 23 = 1144153 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1144163) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3175 + ... + 3516.
21144161 is an apocalyptic number.
It is an amenable number.
1144161 is a deficient number, since it is larger than the sum of its proper divisors (595759).
1144161 is a wasteful number, since it uses less digits than its factorization.
1144161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6716 (or 6713 counting only the distinct ones).
The product of its digits is 96, while the sum is 18.
The square root of 1144161 is about 1069.6546171545. The cubic root of 1144161 is about 104.5913367031.
Adding to 1144161 its reverse (1614411), we get a palindrome (2758572).
The spelling of 1144161 in words is "one million, one hundred forty-four thousand, one hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •