1054040431 has 4 divisors (see below), whose sum is σ = 1054839664. Its totient is φ = 1053241200.

The previous prime is 1054040363. The next prime is 1054040459. The reversal of 1054040431 is 1340404501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1054040431 - 2¹¹ = 1054038383 is a prime.

It is a super-2 number, since 2×1054040431² = 2222002460365331522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054040461) 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 3 ways as a sum of consecutive naturals, for example, 397635 + ... + 400276.

It is an arithmetic number, because the mean of its divisors is an integer number (263709916).

Almost surely, 2^1054040431 is an apocalyptic number.

1054040431 is a deficient number, since it is larger than the sum of its proper divisors (799233).

1054040431 is an equidigital number, since it uses as much as digits as its factorization.

1054040431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799232.

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

The square root of 1054040431 is about 32465.9888344711. The cubic root of 1054040431 is about 1017.6983958750.

Adding to 1054040431 its reverse (1340404501), we get a palindrome (2394444932).

The spelling of 1054040431 in words is "one billion, fifty-four million, forty thousand, four hundred thirty-one".