1040275427 has 2 divisors, whose sum is σ = 1040275428. Its totient is φ = 1040275426.

The previous prime is 1040275421. The next prime is 1040275429. The reversal of 1040275427 is 7245720401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1040275427 - 2¹⁴ = 1040259043 is a prime.

Together with 1040275429, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1040275393 and 1040275402.

It is not a weakly prime, because it can be changed into another prime (1040275421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520137713 + 520137714.

It is an arithmetic number, because the mean of its divisors is an integer number (520137714).

Almost surely, 2^1040275427 is an apocalyptic number.

1040275427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040275427 is an equidigital number, since it uses as much as digits as its factorization.

1040275427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 1040275427 is about 32253.3010248564. The cubic root of 1040275427 is about 1013.2488354948.

Adding to 1040275427 its reverse (7245720401), we get a palindrome (8285995828).

The spelling of 1040275427 in words is "one billion, forty million, two hundred seventy-five thousand, four hundred twenty-seven".