1490603 has 2 divisors, whose sum is σ = 1490604. Its totient is φ = 1490602.

The previous prime is 1490591. The next prime is 1490609. The reversal of 1490603 is 3060941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1490603 - 2⁸ = 1490347 is a prime.

It is not a weakly prime, because it can be changed into another prime (1490609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 745301 + 745302.

It is an arithmetic number, because the mean of its divisors is an integer number (745302).

2^1490603 is an apocalyptic number.

1490603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1490603 is an equidigital number, since it uses as much as digits as its factorization.

1490603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1490603 is about 1220.9025350125. The cubic root of 1490603 is about 114.2318815665.

It can be divided in two parts, 1490 and 603, that multiplied together give a triangular number (898470 = T₁₃₄₀).

The spelling of 1490603 in words is "one million, four hundred ninety thousand, six hundred three".