1046781403 has 2 divisors, whose sum is σ = 1046781404. Its totient is φ = 1046781402.

The previous prime is 1046781259. The next prime is 1046781457. The reversal of 1046781403 is 3041876401.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1046781403 - 2¹⁷ = 1046650331 is a prime.

It is not a weakly prime, because it can be changed into another prime (1046781493) 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, 523390701 + 523390702.

It is an arithmetic number, because the mean of its divisors is an integer number (523390702).

Almost surely, 2^1046781403 is an apocalyptic number.

1046781403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1046781403 is an equidigital number, since it uses as much as digits as its factorization.

1046781403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 1046781403 is about 32354.0013445014. The cubic root of 1046781403 is about 1015.3567636151.

The spelling of 1046781403 in words is "one billion, forty-six million, seven hundred eighty-one thousand, four hundred three".