1004131237 has 2 divisors, whose sum is σ = 1004131238. Its totient is φ = 1004131236.

The previous prime is 1004131201. The next prime is 1004131243. The reversal of 1004131237 is 7321314001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 991557121 + 12574116 = 31489^2 + 3546^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004131237 - 2²⁷ = 869913509 is a prime.

It is a super-2 number, since 2×1004131237² = 2016559082238300338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004131837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502065618 + 502065619.

It is an arithmetic number, because the mean of its divisors is an integer number (502065619).

Almost surely, 2^1004131237 is an apocalyptic number.

It is an amenable number.

1004131237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004131237 is an equidigital number, since it uses as much as digits as its factorization.

1004131237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 1004131237 is about 31688.0298693371. The cubic root of 1004131237 is about 1001.3751869938.

Adding to 1004131237 its reverse (7321314001), we get a palindrome (8325445238).

The spelling of 1004131237 in words is "one billion, four million, one hundred thirty-one thousand, two hundred thirty-seven".