1054458781 has 8 divisors (see below), whose sum is σ = 1064193984. Its totient is φ = 1044768000.

The previous prime is 1054458767. The next prime is 1054458791. The reversal of 1054458781 is 1878544501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1054458781 - 2¹³ = 1054450589 is a prime.

It is a super-2 number, since 2×1054458781² = 2223766641656011922, 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 (1054458791) 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 7 ways as a sum of consecutive naturals, for example, 37560 + ... + 59326.

It is an arithmetic number, because the mean of its divisors is an integer number (133024248).

Almost surely, 2^1054458781 is an apocalyptic number.

It is an amenable number.

1054458781 is a deficient number, since it is larger than the sum of its proper divisors (9735203).

1054458781 is a wasteful number, since it uses less digits than its factorization.

1054458781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22211.

The product of its (nonzero) digits is 179200, while the sum is 43.

The square root of 1054458781 is about 32472.4310916199. The cubic root of 1054458781 is about 1017.8330199989.

The spelling of 1054458781 in words is "one billion, fifty-four million, four hundred fifty-eight thousand, seven hundred eighty-one".