1054066989 has 8 divisors (see below), whose sum is σ = 1443407200. Its totient is φ = 683719056.

The previous prime is 1054066969. The next prime is 1054067011. The reversal of 1054066989 is 9896604501.

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

It is not a de Polignac number, because 1054066989 - 2⁵ = 1054066957 is a prime.

It is a super-2 number, since 2×1054066989² = 2222114434599052242, 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 (1054066969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4747939 + ... + 4748160.

It is an arithmetic number, because the mean of its divisors is an integer number (180425900).

Almost surely, 2^1054066989 is an apocalyptic number.

It is an amenable number.

1054066989 is a deficient number, since it is larger than the sum of its proper divisors (389340211).

1054066989 is an equidigital number, since it uses as much as digits as its factorization.

1054066989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9496139.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 1054066989 is about 32466.3978445407. The cubic root of 1054066989 is about 1017.7069432406.

The spelling of 1054066989 in words is "one billion, fifty-four million, sixty-six thousand, nine hundred eighty-nine".