1065978 has 12 divisors (see below), whose sum is σ = 2309658. Its totient is φ = 355320.

The previous prime is 1065973. The next prime is 1065979. The reversal of 1065978 is 8795601.

It can be written as a sum of positive squares in only one way, i.e., 974169 + 91809 = 987^2 + 303^2 .

It is a super-2 number, since 2×1065978² = 2272618192968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29593 + ... + 29628.

2^1065978 is an apocalyptic number.

1065978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1065978 is an abundant number, since it is smaller than the sum of its proper divisors (1243680).

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

1065978 is a wasteful number, since it uses less digits than its factorization.

1065978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59229 (or 59226 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 1065978 is about 1032.4621058421. The cubic root of 1065978 is about 102.1525974285.

It can be divided in two parts, 106 and 5978, that added together give a square (6084 = 78²).

The spelling of 1065978 in words is "one million, sixty-five thousand, nine hundred seventy-eight".