1035921 has 4 divisors (see below), whose sum is σ = 1381232. Its totient is φ = 690612.

The previous prime is 1035917. The next prime is 1035949. The reversal of 1035921 is 1295301.

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 not a de Polignac number, because 1035921 - 2² = 1035917 is a prime.

It is a super-3 number, since 3×1035921³ = 3335040912733604883, which contains 333 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1036921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172651 + ... + 172656.

It is an arithmetic number, because the mean of its divisors is an integer number (345308).

2^1035921 is an apocalyptic number.

It is an amenable number.

1035921 is a deficient number, since it is larger than the sum of its proper divisors (345311).

1035921 is an equidigital number, since it uses as much as digits as its factorization.

1035921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345310.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1035921 is about 1017.8020436214. The cubic root of 1035921 is about 101.1833092295.

The spelling of 1035921 in words is "one million, thirty-five thousand, nine hundred twenty-one".