1275040233 has 12 divisors (see below), whose sum is σ = 1854087300. Its totient is φ = 844321056.

The previous prime is 1275040229. The next prime is 1275040237. The reversal of 1275040233 is 3320405721.

1275040233 is a `hidden beast` number, since 127 + 504 + 0 + 2 + 33 = 666.

It is an interprime number because it is at equal distance from previous prime (1275040229) and next prime (1275040237).

It can be written as a sum of positive squares in 2 ways, for example, as 387774864 + 887265369 = 19692^2 + 29787^2 .

It is not a de Polignac number, because 1275040233 - 2² = 1275040229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1275040197 and 1275040206.

It is not an unprimeable number, because it can be changed into a prime (1275040237) 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, 474066 + ... + 476747.

It is an arithmetic number, because the mean of its divisors is an integer number (154507275).

Almost surely, 2^1275040233 is an apocalyptic number.

It is an amenable number.

1275040233 is a deficient number, since it is larger than the sum of its proper divisors (579047067).

1275040233 is a wasteful number, since it uses less digits than its factorization.

1275040233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950968 (or 950965 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 1275040233 is about 35707.7055129562. The cubic root of 1275040233 is about 1084.3628481814.

Adding to 1275040233 its reverse (3320405721), we get a palindrome (4595445954).

The spelling of 1275040233 in words is "one billion, two hundred seventy-five million, forty thousand, two hundred thirty-three".