1054978 has 4 divisors (see below), whose sum is σ = 1582470. Its totient is φ = 527488.

The previous prime is 1054957. The next prime is 1054993. The reversal of 1054978 is 8794501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 915849 + 139129 = 957^2 + 373^2 .

It is a super-2 number, since 2×1054978² = 2225957160968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263743 + ... + 263746.

2^1054978 is an apocalyptic number.

1054978 is a deficient number, since it is larger than the sum of its proper divisors (527492).

1054978 is an equidigital number, since it uses as much as digits as its factorization.

1054978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527491.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 1054978 is about 1027.1212197204. The cubic root of 1054978 is about 101.8000054037.

The spelling of 1054978 in words is "one million, fifty-four thousand, nine hundred seventy-eight".