1490117 has 2 divisors, whose sum is σ = 1490118. Its totient is φ = 1490116.

The previous prime is 1490089. The next prime is 1490119. The reversal of 1490117 is 7110941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1406596 + 83521 = 1186^2 + 289^2 .

It is a cyclic number.

It is not a de Polignac number, because 1490117 - 2¹⁰ = 1489093 is a prime.

Together with 1490119, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1490092 and 1490101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1490119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 745058 + 745059.

It is an arithmetic number, because the mean of its divisors is an integer number (745059).

2^1490117 is an apocalyptic number.

It is an amenable number.

1490117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1490117 is an equidigital number, since it uses as much as digits as its factorization.

1490117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 1490117 is about 1220.7034856999. The cubic root of 1490117 is about 114.2194653991.

The spelling of 1490117 in words is "one million, four hundred ninety thousand, one hundred seventeen".