1050472921 has 3 divisors (see below), whose sum is σ = 1050505333. Its totient is φ = 1050440510.

The previous prime is 1050472877. The next prime is 1050472933. The reversal of 1050472921 is 1292740501.

The square root of 1050472921 is 32411.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 1050472921 - 2⁷ = 1050472793 is a prime.

It is a super-2 number, since 2×1050472921² = 2206986715508544482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1050472961) 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 2 ways as a sum of consecutive naturals, for example, 16206 + ... + 48616.

Almost surely, 2^1050472921 is an apocalyptic number.

1050472921 is the 32411-st square number.

1050472921 is the 16206-th centered octagonal number.

It is an amenable number.

1050472921 is a deficient number, since it is larger than the sum of its proper divisors (32412).

1050472921 is an frugal number, since it uses more digits than its factorization.

1050472921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64822 (or 32411 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The cubic root of 1050472921 is about 1016.5489292066.

The spelling of 1050472921 in words is "one billion, fifty million, four hundred seventy-two thousand, nine hundred twenty-one".