1494124309 has 2 divisors, whose sum is σ = 1494124310. Its totient is φ = 1494124308.

The previous prime is 1494124243. The next prime is 1494124327. The reversal of 1494124309 is 9034214941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1448183025 + 45941284 = 38055^2 + 6778^2 .

It is a cyclic number.

It is not a de Polignac number, because 1494124309 - 2⁹ = 1494123797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1494124349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 747062154 + 747062155.

It is an arithmetic number, because the mean of its divisors is an integer number (747062155).

Almost surely, 2^1494124309 is an apocalyptic number.

It is an amenable number.

1494124309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1494124309 is an equidigital number, since it uses as much as digits as its factorization.

1494124309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 1494124309 is about 38653.9041883223. The cubic root of 1494124309 is about 1143.2176228829.

The spelling of 1494124309 in words is "one billion, four hundred ninety-four million, one hundred twenty-four thousand, three hundred nine".