1054394771 has 4 divisors (see below), whose sum is σ = 1054744992. Its totient is φ = 1054044552.

The previous prime is 1054394749. The next prime is 1054394777. The reversal of 1054394771 is 1774934501.

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 1054394771 - 2⁶ = 1054394707 is a prime.

It is a super-2 number, since 2×1054394771² = 2223496666224284882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1054394777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170555 + ... + 176628.

It is an arithmetic number, because the mean of its divisors is an integer number (263686248).

Almost surely, 2^1054394771 is an apocalyptic number.

1054394771 is a deficient number, since it is larger than the sum of its proper divisors (350221).

1054394771 is an equidigital number, since it uses as much as digits as its factorization.

1054394771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350220.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 1054394771 is about 32471.4454713676. The cubic root of 1054394771 is about 1017.8124240271.

The spelling of 1054394771 in words is "one billion, fifty-four million, three hundred ninety-four thousand, seven hundred seventy-one".