1059015978 has 64 divisors (see below), whose sum is σ = 2445085440. Its totient is φ = 339494400.

The previous prime is 1059015973. The next prime is 1059015983. The reversal of 1059015978 is 8795109501.

1059015978 is a `hidden beast` number, since 1 + 0 + 59 + 0 + 1 + 597 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (1059015973) and next prime (1059015983).

It is a super-2 number, since 2×1059015978² = 2243029683318592968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1059015973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153826 + ... + 160562.

It is an arithmetic number, because the mean of its divisors is an integer number (38204460).

Almost surely, 2^1059015978 is an apocalyptic number.

1059015978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1059015978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1222542720).

1059015978 is an abundant number, since it is smaller than the sum of its proper divisors (1386069462).

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

1059015978 is a wasteful number, since it uses less digits than its factorization.

1059015978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6860 (or 6854 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 45.

The square root of 1059015978 is about 32542.5256856317. The cubic root of 1059015978 is about 1019.2972148506.

The spelling of 1059015978 in words is "one billion, fifty-nine million, fifteen thousand, nine hundred seventy-eight".