1045231237 has 2 divisors, whose sum is σ = 1045231238. Its totient is φ = 1045231236.

The previous prime is 1045231223. The next prime is 1045231259. The reversal of 1045231237 is 7321325401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 924099201 + 121132036 = 30399^2 + 11006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1045231237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1045231207) 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 as a sum of consecutive naturals, namely, 522615618 + 522615619.

It is an arithmetic number, because the mean of its divisors is an integer number (522615619).

Almost surely, 2^1045231237 is an apocalyptic number.

It is an amenable number.

1045231237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045231237 is an equidigital number, since it uses as much as digits as its factorization.

1045231237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1045231237 is about 32330.0361428811. The cubic root of 1045231237 is about 1014.8553061231.

Adding to 1045231237 its reverse (7321325401), we get a palindrome (8366556638).

The spelling of 1045231237 in words is "one billion, forty-five million, two hundred thirty-one thousand, two hundred thirty-seven".