8122761 has 12 divisors (see below), whose sum is σ = 12167792. Its totient is φ = 5415012.

The previous prime is 8122759. The next prime is 8122769. The reversal of 8122761 is 1672218.

It is not a de Polignac number, because 8122761 - 2¹ = 8122759 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

8122761 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8122769) 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, 16471 + ... + 16956.

Almost surely, 2^8122761 is an apocalyptic number.

8122761 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

8122761 is a deficient number, since it is larger than the sum of its proper divisors (4045031).

8122761 is an equidigital number, since it uses as much as digits as its factorization.

8122761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33442 (or 33430 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 8122761 is about 2850.0457891059. The cubic root of 8122761 is about 201.0178197612.

Adding to 8122761 its reverse (1672218), we get a palindrome (9794979).

The spelling of 8122761 in words is "eight million, one hundred twenty-two thousand, seven hundred sixty-one".