1078450159 has 2 divisors, whose sum is σ = 1078450160. Its totient is φ = 1078450158.

The previous prime is 1078450141. The next prime is 1078450207. The reversal of 1078450159 is 9510548701.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1078450159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1078450129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539225079 + 539225080.

It is an arithmetic number, because the mean of its divisors is an integer number (539225080).

Almost surely, 2^1078450159 is an apocalyptic number.

1078450159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078450159 is an equidigital number, since it uses as much as digits as its factorization.

1078450159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 1078450159 is about 32839.7649047614. The cubic root of 1078450159 is about 1025.4945569781.

The spelling of 1078450159 in words is "one billion, seventy-eight million, four hundred fifty thousand, one hundred fifty-nine".