401112787 has 2 divisors, whose sum is σ = 401112788. Its totient is φ = 401112786.

The previous prime is 401112779. The next prime is 401112793. The reversal of 401112787 is 787211104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401112787 - 2³ = 401112779 is a prime.

It is not a weakly prime, because it can be changed into another prime (401112727) 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, 200556393 + 200556394.

It is an arithmetic number, because the mean of its divisors is an integer number (200556394).

Almost surely, 2^401112787 is an apocalyptic number.

401112787 is a deficient number, since it is larger than the sum of its proper divisors (1).

401112787 is an equidigital number, since it uses as much as digits as its factorization.

401112787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 401112787 is about 20027.8003535086. The cubic root of 401112787 is about 737.4889241658.

The spelling of 401112787 in words is "four hundred one million, one hundred twelve thousand, seven hundred eighty-seven".