1046420887 has 2 divisors, whose sum is σ = 1046420888. Its totient is φ = 1046420886.

The previous prime is 1046420863. The next prime is 1046420927. The reversal of 1046420887 is 7880246401.

It is an a-pointer prime, because the next prime (1046420927) can be obtained adding 1046420887 to its sum of digits (40).

It is a weak prime.

It is an emirp because it is prime and its reverse (7880246401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1046420887 - 2⁷ = 1046420759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1046420387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523210443 + 523210444.

It is an arithmetic number, because the mean of its divisors is an integer number (523210444).

Almost surely, 2^1046420887 is an apocalyptic number.

1046420887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1046420887 is an equidigital number, since it uses as much as digits as its factorization.

1046420887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 1046420887 is about 32348.4294363730. The cubic root of 1046420887 is about 1015.2401858243.

The spelling of 1046420887 in words is "one billion, forty-six million, four hundred twenty thousand, eight hundred eighty-seven".