1076450621 has 4 divisors (see below), whose sum is σ = 1082398044. Its totient is φ = 1070503200.

The previous prime is 1076450587. The next prime is 1076450633. The reversal of 1076450621 is 1260546701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1260546701 = 1889 ⋅667309.

It can be written as a sum of positive squares in 2 ways, for example, as 416731396 + 659719225 = 20414^2 + 25685^2 .

It is a cyclic number.

It is not a de Polignac number, because 1076450621 - 2¹⁰ = 1076449597 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 (1076450651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2973440 + ... + 2973801.

It is an arithmetic number, because the mean of its divisors is an integer number (270599511).

Almost surely, 2^1076450621 is an apocalyptic number.

It is an amenable number.

1076450621 is a deficient number, since it is larger than the sum of its proper divisors (5947423).

1076450621 is an equidigital number, since it uses as much as digits as its factorization.

1076450621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5947422.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1076450621 is about 32809.3069265414. The cubic root of 1076450621 is about 1024.8603802688.

The spelling of 1076450621 in words is "one billion, seventy-six million, four hundred fifty thousand, six hundred twenty-one".