1402043087 has 2 divisors, whose sum is σ = 1402043088. Its totient is φ = 1402043086.

The previous prime is 1402043029. The next prime is 1402043143. The reversal of 1402043087 is 7803402041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1402043087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402043017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701021543 + 701021544.

It is an arithmetic number, because the mean of its divisors is an integer number (701021544).

Almost surely, 2^1402043087 is an apocalyptic number.

1402043087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402043087 is an equidigital number, since it uses as much as digits as its factorization.

1402043087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 1402043087 is about 37443.8658127069. The cubic root of 1402043087 is about 1119.2328630140.

The spelling of 1402043087 in words is "one billion, four hundred two million, forty-three thousand, eighty-seven".