1065213122 has 8 divisors (see below), whose sum is σ = 1667290176. Its totient is φ = 509449732.

The previous prime is 1065213113. The next prime is 1065213139. The reversal of 1065213122 is 2213125601.

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

It is a super-2 number, since 2×1065213122² = 2269357990561973768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 11578358 + ... + 11578449.

It is an arithmetic number, because the mean of its divisors is an integer number (208411272).

Almost surely, 2^1065213122 is an apocalyptic number.

1065213122 is a deficient number, since it is larger than the sum of its proper divisors (602077054).

1065213122 is a wasteful number, since it uses less digits than its factorization.

1065213122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23156832.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1065213122 is about 32637.6028837903. The cubic root of 1065213122 is about 1021.2815884723.

Adding to 1065213122 its reverse (2213125601), we get a palindrome (3278338723).

The spelling of 1065213122 in words is "one billion, sixty-five million, two hundred thirteen thousand, one hundred twenty-two".