1046390117 has 2 divisors, whose sum is σ = 1046390118. Its totient is φ = 1046390116.

The previous prime is 1046390071. The next prime is 1046390123. The reversal of 1046390117 is 7110936401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1027458916 + 18931201 = 32054^2 + 4351^2 .

It is an emirp because it is prime and its reverse (7110936401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1046390117 - 2¹² = 1046386021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1046390167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523195058 + 523195059.

It is an arithmetic number, because the mean of its divisors is an integer number (523195059).

Almost surely, 2^1046390117 is an apocalyptic number.

It is an amenable number.

1046390117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1046390117 is an equidigital number, since it uses as much as digits as its factorization.

1046390117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 1046390117 is about 32347.9538301884. The cubic root of 1046390117 is about 1015.2302346828.

The spelling of 1046390117 in words is "one billion, forty-six million, three hundred ninety thousand, one hundred seventeen".