1472921 has 4 divisors (see below), whose sum is σ = 1493172. Its totient is φ = 1452672.

The previous prime is 1472909. The next prime is 1472927. The reversal of 1472921 is 1292741.

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 931225 + 541696 = 965^2 + 736^2 .

It is a cyclic number.

It is not a de Polignac number, because 1472921 - 2⁶ = 1472857 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1472927) 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, 10016 + ... + 10161.

It is an arithmetic number, because the mean of its divisors is an integer number (373293).

2^1472921 is an apocalyptic number.

It is an amenable number.

1472921 is a deficient number, since it is larger than the sum of its proper divisors (20251).

1472921 is an equidigital number, since it uses as much as digits as its factorization.

1472921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20250.

The product of its digits is 1008, while the sum is 26.

The square root of 1472921 is about 1213.6395675817. The cubic root of 1472921 is about 113.7783988989.

The spelling of 1472921 in words is "one million, four hundred seventy-two thousand, nine hundred twenty-one".