1352021 has 8 divisors (see below), whose sum is σ = 1552800. Its totient is φ = 1164240.

The previous prime is 1351997. The next prime is 1352069. The reversal of 1352021 is 1202531.

It is a happy number.

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

It is not a de Polignac number, because 1352021 - 2⁶ = 1351957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1351987 and 1352005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352521) 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, 3026 + ... + 3443.

It is an arithmetic number, because the mean of its divisors is an integer number (194100).

2^1352021 is an apocalyptic number.

1352021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1352021 is a deficient number, since it is larger than the sum of its proper divisors (200779).

1352021 is a wasteful number, since it uses less digits than its factorization.

1352021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6499.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1352021 is about 1162.7643785393. The cubic root of 1352021 is about 110.5760687769.

Adding to 1352021 its reverse (1202531), we get a palindrome (2554552).

The spelling of 1352021 in words is "one million, three hundred fifty-two thousand, twenty-one".