1065421274 has 8 divisors (see below), whose sum is σ = 1598518740. Its totient is φ = 532581696.

The previous prime is 1065421271. The next prime is 1065421289. The reversal of 1065421274 is 4721245601.

1065421274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1048140625 + 17280649 = 32375^2 + 4157^2 .

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

It is a super-2 number, since 2×1065421274² = 2270244982183566152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1065421274.

It is not an unprimeable number, because it can be changed into a prime (1065421271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53789 + ... + 70880.

Almost surely, 2^1065421274 is an apocalyptic number.

1065421274 is a deficient number, since it is larger than the sum of its proper divisors (533097466).

1065421274 is a wasteful number, since it uses less digits than its factorization.

1065421274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128944.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 1065421274 is about 32640.7915651566. The cubic root of 1065421274 is about 1021.3481066039.

Adding to 1065421274 its reverse (4721245601), we get a palindrome (5786666875).

The spelling of 1065421274 in words is "one billion, sixty-five million, four hundred twenty-one thousand, two hundred seventy-four".