1494072117 has 6 divisors (see below), whose sum is σ = 2158104182. Its totient is φ = 996048072.

The previous prime is 1494072113. The next prime is 1494072121. The reversal of 1494072117 is 7112704941.

It is an interprime number because it is at equal distance from previous prime (1494072113) and next prime (1494072121).

It can be written as a sum of positive squares in only one way, i.e., 957964401 + 536107716 = 30951^2 + 23154^2 .

It is not a de Polignac number, because 1494072117 - 2² = 1494072113 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1494072113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83003998 + ... + 83004015.

Almost surely, 2^1494072117 is an apocalyptic number.

It is an amenable number.

1494072117 is a deficient number, since it is larger than the sum of its proper divisors (664032065).

1494072117 is a wasteful number, since it uses less digits than its factorization.

1494072117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166008019 (or 166008016 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 1494072117 is about 38653.2290630421. The cubic root of 1494072117 is about 1143.2043112933.

The spelling of 1494072117 in words is "one billion, four hundred ninety-four million, seventy-two thousand, one hundred seventeen".