1420330 has 16 divisors (see below), whose sum is σ = 2574504. Its totient is φ = 564160.

The previous prime is 1420303. The next prime is 1420357. The reversal of 1420330 is 330241.

It is an interprime number because it is at equal distance from previous prime (1420303) and next prime (1420357).

It can be written as a sum of positive squares in 4 ways, for example, as 1261129 + 159201 = 1123^2 + 399^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1420330.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1320 + ... + 2140.

2^1420330 is an apocalyptic number.

1420330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420330 is a deficient number, since it is larger than the sum of its proper divisors (1154174).

1420330 is a wasteful number, since it uses less digits than its factorization.

1420330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1420330 is about 1191.7759856617. The cubic root of 1420330 is about 112.4077927585.

Adding to 1420330 its reverse (330241), we get a palindrome (1750571).

The spelling of 1420330 in words is "one million, four hundred twenty thousand, three hundred thirty".