1421450 has 12 divisors (see below), whose sum is σ = 2643990. Its totient is φ = 568560.

The previous prime is 1421449. The next prime is 1421461. The reversal of 1421450 is 541241.

It can be written as a sum of positive squares in 3 ways, for example, as 946729 + 474721 = 973^2 + 689^2 .

It is a Curzon number.

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, 14165 + ... + 14264.

2^1421450 is an apocalyptic number.

1421450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421450 is a deficient number, since it is larger than the sum of its proper divisors (1222540).

1421450 is a wasteful number, since it uses less digits than its factorization.

1421450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28441 (or 28436 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1421450 is about 1192.2457800303. The cubic root of 1421450 is about 112.4373313518.

Adding to 1421450 its reverse (541241), we get a palindrome (1962691).

The spelling of 1421450 in words is "one million, four hundred twenty-one thousand, four hundred fifty".