1054980439 has 4 divisors (see below), whose sum is σ = 1065856624. Its totient is φ = 1044104256.

The previous prime is 1054980431. The next prime is 1054980461. The reversal of 1054980439 is 9340894501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9340894501 = 257 ⋅36345893.

It is a cyclic number.

It is not a de Polignac number, because 1054980439 - 2³ = 1054980431 is a prime.

It is a super-2 number, since 2×1054980439² = 2225967453345265442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1054980395 and 1054980404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054980431) 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, 5437947 + ... + 5438140.

It is an arithmetic number, because the mean of its divisors is an integer number (266464156).

Almost surely, 2^1054980439 is an apocalyptic number.

1054980439 is a deficient number, since it is larger than the sum of its proper divisors (10876185).

1054980439 is an equidigital number, since it uses as much as digits as its factorization.

1054980439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10876184.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 1054980439 is about 32480.4624197378. The cubic root of 1054980439 is about 1018.0008385402. Note that the first 3 decimals are identical.

The spelling of 1054980439 in words is "one billion, fifty-four million, nine hundred eighty thousand, four hundred thirty-nine".