1042012087 has 2 divisors, whose sum is σ = 1042012088. Its totient is φ = 1042012086.

The previous prime is 1042012063. The next prime is 1042012123. The reversal of 1042012087 is 7802102401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042012087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042012057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521006043 + 521006044.

It is an arithmetic number, because the mean of its divisors is an integer number (521006044).

Almost surely, 2^1042012087 is an apocalyptic number.

1042012087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042012087 is an equidigital number, since it uses as much as digits as its factorization.

1042012087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 1042012087 is about 32280.2120036409. The cubic root of 1042012087 is about 1013.8123690788.

Adding to 1042012087 its reverse (7802102401), we get a palindrome (8844114488).

The spelling of 1042012087 in words is "one billion, forty-two million, twelve thousand, eighty-seven".