1054720986 has 16 divisors (see below), whose sum is σ = 2301209568. Its totient is φ = 319612400.

The previous prime is 1054720963. The next prime is 1054720991. The reversal of 1054720986 is 6890274501.

It is a super-2 number, since 2×1054720986² = 2224872716617624392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7990245 + ... + 7990376.

It is an arithmetic number, because the mean of its divisors is an integer number (143825598).

Almost surely, 2^1054720986 is an apocalyptic number.

1054720986 is an abundant number, since it is smaller than the sum of its proper divisors (1246488582).

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

1054720986 is a wasteful number, since it uses less digits than its factorization.

1054720986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15980637.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 1054720986 is about 32476.4681885207. The cubic root of 1054720986 is about 1017.9173788484.

The spelling of 1054720986 in words is "one billion, fifty-four million, seven hundred twenty thousand, nine hundred eighty-six".