1421451 has 12 divisors (see below), whose sum is σ = 2101528. Its totient is φ = 925344.

The previous prime is 1421449. The next prime is 1421461. The reversal of 1421451 is 1541241.

It is not a de Polignac number, because 1421451 - 2¹ = 1421449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1450 + ... + 2223.

2^1421451 is an apocalyptic number.

1421451 is a deficient number, since it is larger than the sum of its proper divisors (680077).

1421451 is a wasteful number, since it uses less digits than its factorization.

1421451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3722 (or 3719 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 1421451 is about 1192.2461994068. The cubic root of 1421451 is about 112.4373577186.

Adding to 1421451 its reverse (1541241), we get a palindrome (2962692).

The spelling of 1421451 in words is "one million, four hundred twenty-one thousand, four hundred fifty-one".