1016354021 has 4 divisors (see below), whose sum is σ = 1031523552. Its totient is φ = 1001184492.

The previous prime is 1016353931. The next prime is 1016354047. The reversal of 1016354021 is 1204536101.

1016354021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1204536101 = 11867 ⋅101503.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1016354021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016354081) 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, 7584665 + ... + 7584798.

It is an arithmetic number, because the mean of its divisors is an integer number (257880888).

Almost surely, 2^1016354021 is an apocalyptic number.

It is an amenable number.

1016354021 is a deficient number, since it is larger than the sum of its proper divisors (15169531).

1016354021 is an equidigital number, since it uses as much as digits as its factorization.

1016354021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15169530.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1016354021 is about 31880.3077306352. The cubic root of 1016354021 is about 1005.4218903099.

The spelling of 1016354021 in words is "one billion, sixteen million, three hundred fifty-four thousand, twenty-one".