1021073369 has 4 divisors (see below), whose sum is σ = 1021396944. Its totient is φ = 1020749796.

The previous prime is 1021073359. The next prime is 1021073407. The reversal of 1021073369 is 9633701201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1021073369 - 2⁸ = 1021073113 is a prime.

It is a super-2 number, since 2×1021073369² = 2085181649762020322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021073359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157007 + ... + 163380.

It is an arithmetic number, because the mean of its divisors is an integer number (255349236).

Almost surely, 2^1021073369 is an apocalyptic number.

It is an amenable number.

1021073369 is a deficient number, since it is larger than the sum of its proper divisors (323575).

1021073369 is an equidigital number, since it uses as much as digits as its factorization.

1021073369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323574.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 1021073369 is about 31954.2386703235. The cubic root of 1021073369 is about 1006.9756830336.

The spelling of 1021073369 in words is "one billion, twenty-one million, seventy-three thousand, three hundred sixty-nine".