1054743921 has 48 divisors (see below), whose sum is σ = 1916403840. Its totient is φ = 543029760.

The previous prime is 1054743871. The next prime is 1054743973. The reversal of 1054743921 is 1293474501.

It is not a de Polignac number, because 1054743921 - 2⁶ = 1054743857 is a prime.

It is a super-2 number, since 2×1054743921² = 2224969477772908482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1054742921) 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 47 ways as a sum of consecutive naturals, for example, 71575 + ... + 85043.

It is an arithmetic number, because the mean of its divisors is an integer number (39925080).

Almost surely, 2^1054743921 is an apocalyptic number.

1054743921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1054743921 is a deficient number, since it is larger than the sum of its proper divisors (861659919).

1054743921 is a wasteful number, since it uses less digits than its factorization.

1054743921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13606 (or 13603 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1054743921 is about 32476.8212884205. The cubic root of 1054743921 is about 1017.9247570291.

The spelling of 1054743921 in words is "one billion, fifty-four million, seven hundred forty-three thousand, nine hundred twenty-one".