1420450 has 12 divisors (see below), whose sum is σ = 2642130. Its totient is φ = 568160.

The previous prime is 1420429. The next prime is 1420483. The reversal of 1420450 is 540241.

It can be written as a sum of positive squares in 3 ways, for example, as 1138489 + 281961 = 1067^2 + 531^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14155 + ... + 14254.

2^1420450 is an apocalyptic number.

1420450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420450 is a deficient number, since it is larger than the sum of its proper divisors (1221680).

1420450 is a wasteful number, since it uses less digits than its factorization.

1420450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28421 (or 28416 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1420450 is about 1191.8263296303. The cubic root of 1420450 is about 112.4109583504.

Adding to 1420450 its reverse (540241), we get a palindrome (1960691).

The spelling of 1420450 in words is "one million, four hundred twenty thousand, four hundred fifty".