1054147437921 has 8 divisors (see below), whose sum is σ = 1405936036224. Its totient is φ = 702561899120.

The previous prime is 1054147437899. The next prime is 1054147437947. The reversal of 1054147437921 is 1297347414501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1054147437921 is a prime.

It is a super-2 number, since 2×1054147437921² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1054147447921) 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, 50752761 + ... + 50773526.

It is an arithmetic number, because the mean of its divisors is an integer number (175742004528).

Almost surely, 2^{1054147437921} is an apocalyptic number.

It is an amenable number.

1054147437921 is a deficient number, since it is larger than the sum of its proper divisors (351788598303).

1054147437921 is a wasteful number, since it uses less digits than its factorization.

1054147437921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101529751.

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 1054147437921 in words is "one trillion, fifty-four billion, one hundred forty-seven million, four hundred thirty-seven thousand, nine hundred twenty-one".