1452122120 has 32 divisors (see below), whose sum is σ = 3439238400. Its totient is φ = 550277568.

The previous prime is 1452122069. The next prime is 1452122129. The reversal of 1452122120 is 212212541.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1452122092 and 1452122101.

It is not an unprimeable number, because it can be changed into a prime (1452122129) 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 in 7 ways as a sum of consecutive naturals, for example, 954584 + ... + 956103.

It is an arithmetic number, because the mean of its divisors is an integer number (107476200).

Almost surely, 2^1452122120 is an apocalyptic number.

1452122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1452122120 is an abundant number, since it is smaller than the sum of its proper divisors (1987116280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1452122120 is a wasteful number, since it uses less digits than its factorization.

1452122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910717 (or 1910713 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1452122120 is about 38106.7201422531. The cubic root of 1452122120 is about 1132.4030932614.

Adding to 1452122120 its reverse (212212541), we get a palindrome (1664334661).

The spelling of 1452122120 in words is "one billion, four hundred fifty-two million, one hundred twenty-two thousand, one hundred twenty".