1321522034 has 16 divisors (see below), whose sum is σ = 2308212288. Its totient is φ = 555680112.

The previous prime is 1321522021. The next prime is 1321522039. The reversal of 1321522034 is 4302251231.

It is not an unprimeable number, because it can be changed into a prime (1321522039) 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, 889772 + ... + 891255.

It is an arithmetic number, because the mean of its divisors is an integer number (144263268).

Almost surely, 2^1321522034 is an apocalyptic number.

1321522034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1321522034 is a deficient number, since it is larger than the sum of its proper divisors (986690254).

1321522034 is a wasteful number, since it uses less digits than its factorization.

1321522034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781089.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1321522034 is about 36352.7445181241. The cubic root of 1321522034 is about 1097.3827678358.

Adding to 1321522034 its reverse (4302251231), we get a palindrome (5623773265).

The spelling of 1321522034 in words is "one billion, three hundred twenty-one million, five hundred twenty-two thousand, thirty-four".