1421315 has 8 divisors (see below), whose sum is σ = 1949280. Its totient is φ = 974592.

The previous prime is 1421309. The next prime is 1421317. The reversal of 1421315 is 5131241.

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 1421315 - 2¹⁰ = 1420291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1421293 and 1421302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421317) 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, 20270 + ... + 20339.

It is an arithmetic number, because the mean of its divisors is an integer number (243660).

2^1421315 is an apocalyptic number.

1421315 is a deficient number, since it is larger than the sum of its proper divisors (527965).

1421315 is an equidigital number, since it uses as much as digits as its factorization.

1421315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40621.

The product of its digits is 120, while the sum is 17.

The square root of 1421315 is about 1192.1891628429. The cubic root of 1421315 is about 112.4337717189.

Adding to 1421315 its reverse (5131241), we get a palindrome (6552556).

The spelling of 1421315 in words is "one million, four hundred twenty-one thousand, three hundred fifteen".