1080077 has 2 divisors, whose sum is σ = 1080078. Its totient is φ = 1080076.
The previous prime is 1080073. The next prime is 1080083. The reversal of 1080077 is 7700801.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1042441 + 37636 = 1021^2 + 194^2 .
It is a cyclic number.
It is not a de Polignac number, because 1080077 - 22 = 1080073 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1080073) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540038 + 540039.
It is an arithmetic number, because the mean of its divisors is an integer number (540039).
21080077 is an apocalyptic number.
It is an amenable number.
1080077 is a deficient number, since it is larger than the sum of its proper divisors (1).
1080077 is an equidigital number, since it uses as much as digits as its factorization.
1080077 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 392, while the sum is 23.
The square root of 1080077 is about 1039.2675305233. The cubic root of 1080077 is about 102.6009950417.
Adding to 1080077 its reverse (7700801), we get a palindrome (8780878).
The spelling of 1080077 in words is "one million, eighty thousand, seventy-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.001 sec. • engine limits •