1352220123 has 8 divisors (see below), whose sum is σ = 1832517136. Its totient is φ = 886701600.

The previous prime is 1352220109. The next prime is 1352220131. The reversal of 1352220123 is 3210222531.

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

It is not a de Polignac number, because 1352220123 - 2⁶ = 1352220059 is a prime.

It is a super-2 number, since 2×1352220123² = 3656998522092270258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1352220123.

It is not an unprimeable number, because it can be changed into a prime (1352220143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3694408 + ... + 3694773.

It is an arithmetic number, because the mean of its divisors is an integer number (229064642).

Almost surely, 2^1352220123 is an apocalyptic number.

1352220123 is a deficient number, since it is larger than the sum of its proper divisors (480297013).

1352220123 is an equidigital number, since it uses as much as digits as its factorization.

1352220123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7389245.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1352220123 is about 36772.5457780665. The cubic root of 1352220123 is about 1105.8149698588.

Adding to 1352220123 its reverse (3210222531), we get a palindrome (4562442654).

The spelling of 1352220123 in words is "one billion, three hundred fifty-two million, two hundred twenty thousand, one hundred twenty-three".