1021349 has 8 divisors (see below), whose sum is σ = 1187520. Its totient is φ = 860256.

The previous prime is 1021333. The next prime is 1021367. The reversal of 1021349 is 9431201.

1021349 = T₆ + T₇ + ... + T₁₈₂.

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 1021349 - 2⁴ = 1021333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1021349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021369) 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, 824 + ... + 1649.

It is an arithmetic number, because the mean of its divisors is an integer number (148440).

2^1021349 is an apocalyptic number.

It is an amenable number.

1021349 is a deficient number, since it is larger than the sum of its proper divisors (166171).

1021349 is an equidigital number, since it uses as much as digits as its factorization.

1021349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1021349 is about 1010.6181276823. The cubic root of 1021349 is about 100.7066283361.

The spelling of 1021349 in words is "one million, twenty-one thousand, three hundred forty-nine".