1450421 has 8 divisors (see below), whose sum is σ = 1665024. Its totient is φ = 1237680.

The previous prime is 1450399. The next prime is 1450429. The reversal of 1450421 is 1240541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1450421 - 2¹⁸ = 1188277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1450421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1450429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2411 + ... + 2951.

It is an arithmetic number, because the mean of its divisors is an integer number (208128).

2^1450421 is an apocalyptic number.

It is an amenable number.

1450421 is a deficient number, since it is larger than the sum of its proper divisors (214603).

1450421 is an equidigital number, since it uses as much as digits as its factorization.

1450421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931.

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

The square root of 1450421 is about 1204.3342559273. The cubic root of 1450421 is about 113.1960727743.

Adding to 1450421 its reverse (1240541), we get a palindrome (2690962).

The spelling of 1450421 in words is "one million, four hundred fifty thousand, four hundred twenty-one".