1470421 has 4 divisors (see below), whose sum is σ = 1481292. Its totient is φ = 1459552.

The previous prime is 1470419. The next prime is 1470431. The reversal of 1470421 is 1240741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 442225 + 1028196 = 665^2 + 1014^2 .

It is a cyclic number.

It is not a de Polignac number, because 1470421 - 2¹ = 1470419 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1470401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5230 + ... + 5503.

It is an arithmetic number, because the mean of its divisors is an integer number (370323).

2^1470421 is an apocalyptic number.

It is an amenable number.

1470421 is a deficient number, since it is larger than the sum of its proper divisors (10871).

1470421 is a wasteful number, since it uses less digits than its factorization.

1470421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10870.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 1470421 is about 1212.6091703430. The cubic root of 1470421 is about 113.7139901312.

It can be divided in two parts, 1470 and 421, that added together give a triangular number (1891 = T₆₁).

The spelling of 1470421 in words is "one million, four hundred seventy thousand, four hundred twenty-one".