107128277 has 2 divisors, whose sum is σ = 107128278. Its totient is φ = 107128276.

The previous prime is 107128249. The next prime is 107128331. The reversal of 107128277 is 772821701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89226916 + 17901361 = 9446^2 + 4231^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107128277 is a prime.

It is a super-2 number, since 2×107128277² = 22952935465977458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107128207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53564138 + 53564139.

It is an arithmetic number, because the mean of its divisors is an integer number (53564139).

Almost surely, 2^107128277 is an apocalyptic number.

It is an amenable number.

107128277 is a deficient number, since it is larger than the sum of its proper divisors (1).

107128277 is an equidigital number, since it uses as much as digits as its factorization.

107128277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10976, while the sum is 35.

The square root of 107128277 is about 10350.2790783631. The cubic root of 107128277 is about 474.9355805528.

Adding to 107128277 its reverse (772821701), we get a palindrome (879949978).

The spelling of 107128277 in words is "one hundred seven million, one hundred twenty-eight thousand, two hundred seventy-seven".