1634345122 has 4 divisors (see below), whose sum is σ = 2451517686. Its totient is φ = 817172560.

The previous prime is 1634345117. The next prime is 1634345129. The reversal of 1634345122 is 2215434361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1602320841 + 32024281 = 40029^2 + 5659^2 .

It is not an unprimeable number, because it can be changed into a prime (1634345129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 408586279 + ... + 408586282.

Almost surely, 2^1634345122 is an apocalyptic number.

1634345122 is a deficient number, since it is larger than the sum of its proper divisors (817172564).

1634345122 is an equidigital number, since it uses as much as digits as its factorization.

1634345122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817172563.

The product of its digits is 17280, while the sum is 31.

The square root of 1634345122 is about 40427.0345437308. The cubic root of 1634345122 is about 1177.9167306814.

Adding to 1634345122 its reverse (2215434361), we get a palindrome (3849779483).

The spelling of 1634345122 in words is "one billion, six hundred thirty-four million, three hundred forty-five thousand, one hundred twenty-two".