1054526780 has 24 divisors (see below), whose sum is σ = 2261625408. Its totient is φ = 412835648.

The previous prime is 1054526777. The next prime is 1054526791. The reversal of 1054526780 is 876254501.

It is a super-2 number, since 2×1054526780² = 2224053459474336800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 559979 + ... + 561858.

It is an arithmetic number, because the mean of its divisors is an integer number (94234392).

Almost surely, 2^1054526780 is an apocalyptic number.

1054526780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1054526780 is an abundant number, since it is smaller than the sum of its proper divisors (1207098628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1054526780 is a wasteful number, since it uses less digits than its factorization.

1054526780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121893 (or 1121891 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 1054526780 is about 32473.4781013676. The cubic root of 1054526780 is about 1017.8548985655.

The spelling of 1054526780 in words is "one billion, fifty-four million, five hundred twenty-six thousand, seven hundred eighty".