401020130087 has 2 divisors, whose sum is σ = 401020130088. Its totient is φ = 401020130086.

The previous prime is 401020130083. The next prime is 401020130149. The reversal of 401020130087 is 780031020104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401020130087 - 2² = 401020130083 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401020130083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200510065043 + 200510065044.

It is an arithmetic number, because the mean of its divisors is an integer number (200510065044).

Almost surely, 2^401020130087 is an apocalyptic number.

401020130087 is a deficient number, since it is larger than the sum of its proper divisors (1).

401020130087 is an equidigital number, since it uses as much as digits as its factorization.

401020130087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The spelling of 401020130087 in words is "four hundred one billion, twenty million, one hundred thirty thousand, eighty-seven".