1065428626 has 8 divisors (see below), whose sum is σ = 1606973004. Its totient is φ = 529770960.

The previous prime is 1065428603. The next prime is 1065428659. The reversal of 1065428626 is 6268245601.

It can be written as a sum of positive squares in 2 ways, for example, as 1004573025 + 60855601 = 31695^2 + 7801^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1065428626² = 2270276314200495752, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1471225 + ... + 1471948.

Almost surely, 2^1065428626 is an apocalyptic number.

1065428626 is a deficient number, since it is larger than the sum of its proper divisors (541544378).

1065428626 is a wasteful number, since it uses less digits than its factorization.

1065428626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943356.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 1065428626 is about 32640.9041847802. The cubic root of 1065428626 is about 1021.3504558887.

The spelling of 1065428626 in words is "one billion, sixty-five million, four hundred twenty-eight thousand, six hundred twenty-six".