1065551244 has 24 divisors (see below), whose sum is σ = 2521306368. Its totient is φ = 350180880.

The previous prime is 1065551243. The next prime is 1065551297. The reversal of 1065551244 is 4421555601.

It is a super-2 number, since 2×1065551244² = 2270798907179895072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065551243) 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, 624472 + ... + 626175.

It is an arithmetic number, because the mean of its divisors is an integer number (105054432).

Almost surely, 2^1065551244 is an apocalyptic number.

It is an amenable number.

1065551244 is an abundant number, since it is smaller than the sum of its proper divisors (1455755124).

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

1065551244 is a wasteful number, since it uses less digits than its factorization.

1065551244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250725 (or 1250723 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 1065551244 is about 32642.7824181702. The cubic root of 1065551244 is about 1021.3896360969.

The spelling of 1065551244 in words is "one billion, sixty-five million, five hundred fifty-one thousand, two hundred forty-four".