1461421 has 8 divisors (see below), whose sum is σ = 1594880. Its totient is φ = 1330992.

The previous prime is 1461419. The next prime is 1461437. The reversal of 1461421 is 1241641.

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

It is not a de Polignac number, because 1461421 - 2¹ = 1461419 is a prime.

It is a Duffinian number.

1461421 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316 + ... + 1738.

It is an arithmetic number, because the mean of its divisors is an integer number (199360).

2^1461421 is an apocalyptic number.

It is an amenable number.

1461421 is a deficient number, since it is larger than the sum of its proper divisors (133459).

1461421 is a wasteful number, since it uses less digits than its factorization.

1461421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515.

The product of its digits is 192, while the sum is 19.

The square root of 1461421 is about 1208.8924683362. The cubic root of 1461421 is about 113.4815122520.

The spelling of 1461421 in words is "one million, four hundred sixty-one thousand, four hundred twenty-one".