1275500122 has 24 divisors (see below), whose sum is σ = 2083290300. Its totient is φ = 585411840.

The previous prime is 1275500117. The next prime is 1275500129. The reversal of 1275500122 is 2210055721.

It can be written as a sum of positive squares in 6 ways, for example, as 117527281 + 1157972841 = 10841^2 + 34029^2 .

It is a super-2 number, since 2×1275500122² = 3253801122444029768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1275500129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50754 + ... + 71602.

Almost surely, 2^1275500122 is an apocalyptic number.

1275500122 is a deficient number, since it is larger than the sum of its proper divisors (807790178).

1275500122 is a wasteful number, since it uses less digits than its factorization.

1275500122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21058 (or 21045 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 1275500122 is about 35714.1445648639. The cubic root of 1275500122 is about 1084.4932039638.

Adding to 1275500122 its reverse (2210055721), we get a palindrome (3485555843).

The spelling of 1275500122 in words is "one billion, two hundred seventy-five million, five hundred thousand, one hundred twenty-two".