1065755380 has 24 divisors (see below), whose sum is σ = 2243089800. Its totient is φ = 425349120.

The previous prime is 1065755371. The next prime is 1065755389. The reversal of 1065755380 is 835575601.

It is an interprime number because it is at equal distance from previous prime (1065755371) and next prime (1065755389).

It can be written as a sum of positive squares in 4 ways, for example, as 30074256 + 1035681124 = 5484^2 + 32182^2 .

It is a super-2 number, since 2×1065755380² = 2271669059997888800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065755389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50361 + ... + 68320.

It is an arithmetic number, because the mean of its divisors is an integer number (93462075).

Almost surely, 2^1065755380 is an apocalyptic number.

1065755380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1065755380 is an abundant number, since it is smaller than the sum of its proper divisors (1177334420).

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

1065755380 is a wasteful number, since it uses less digits than its factorization.

1065755380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119139 (or 119137 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 1065755380 is about 32645.9090852131. The cubic root of 1065755380 is about 1021.4548571371.

The spelling of 1065755380 in words is "one billion, sixty-five million, seven hundred fifty-five thousand, three hundred eighty".