1122428277 has 6 divisors (see below), whose sum is σ = 1621285302. Its totient is φ = 748285512.

The previous prime is 1122428261. The next prime is 1122428299. The reversal of 1122428277 is 7728242211.

It can be written as a sum of positive squares in only one way, i.e., 857845521 + 264582756 = 29289^2 + 16266^2 .

It is not a de Polignac number, because 1122428277 - 2⁴ = 1122428261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122428207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62357118 + ... + 62357135.

It is an arithmetic number, because the mean of its divisors is an integer number (270214217).

Almost surely, 2^1122428277 is an apocalyptic number.

It is an amenable number.

1122428277 is a deficient number, since it is larger than the sum of its proper divisors (498857025).

1122428277 is a wasteful number, since it uses less digits than its factorization.

1122428277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124714259 (or 124714256 counting only the distinct ones).

The product of its digits is 25088, while the sum is 36.

The square root of 1122428277 is about 33502.6607450811. The cubic root of 1122428277 is about 1039.2488032602.

The spelling of 1122428277 in words is "one billion, one hundred twenty-two million, four hundred twenty-eight thousand, two hundred seventy-seven".