1054032421 has 4 divisors (see below), whose sum is σ = 1135111852. Its totient is φ = 972952992.

The previous prime is 1054032403. The next prime is 1054032437. The reversal of 1054032421 is 1242304501.

1054032421 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.

It can be written as a sum of positive squares in 2 ways, for example, as 654592225 + 399440196 = 25585^2 + 19986^2 .

It is a cyclic number.

It is not a de Polignac number, because 1054032421 - 2⁵ = 1054032389 is a prime.

It is a super-2 number, since 2×1054032421² = 2221968689038242482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1054032392 and 1054032401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054032401) 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, 40539696 + ... + 40539721.

It is an arithmetic number, because the mean of its divisors is an integer number (283777963).

Almost surely, 2^1054032421 is an apocalyptic number.

It is an amenable number.

1054032421 is a deficient number, since it is larger than the sum of its proper divisors (81079431).

1054032421 is an equidigital number, since it uses as much as digits as its factorization.

1054032421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81079430.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1054032421 is about 32465.8654743717. The cubic root of 1054032421 is about 1017.6958179268.

Adding to 1054032421 its reverse (1242304501), we get a palindrome (2296336922).

The spelling of 1054032421 in words is "one billion, fifty-four million, thirty-two thousand, four hundred twenty-one".