1007521087 has 2 divisors, whose sum is σ = 1007521088. Its totient is φ = 1007521086.

The previous prime is 1007521069. The next prime is 1007521127. The reversal of 1007521087 is 7801257001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1007521087 - 2¹⁹ = 1006996799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1007521007) 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, 503760543 + 503760544.

It is an arithmetic number, because the mean of its divisors is an integer number (503760544).

Almost surely, 2^1007521087 is an apocalyptic number.

1007521087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1007521087 is an equidigital number, since it uses as much as digits as its factorization.

1007521087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 1007521087 is about 31741.4726658988. The cubic root of 1007521087 is about 1002.5007699366.

Adding to 1007521087 its reverse (7801257001), we get a palindrome (8808778088).

The spelling of 1007521087 in words is "one billion, seven million, five hundred twenty-one thousand, eighty-seven".