1453452120 has 256 divisors, whose sum is σ = 5140224000. Its totient is φ = 364290048.

The previous prime is 1453452109. The next prime is 1453452137. The reversal of 1453452120 is 212543541.

1453452120 is a `hidden beast` number, since 1 + 4 + 534 + 5 + 2 + 120 = 666.

It is a super-2 number, since 2×1453452120² = 4225046130264988800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3960177 + ... + 3960543.

It is an arithmetic number, because the mean of its divisors is an integer number (20079000).

Almost surely, 2^1453452120 is an apocalyptic number.

1453452120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1453452120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2570112000).

1453452120 is an abundant number, since it is smaller than the sum of its proper divisors (3686771880).

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

1453452120 is a wasteful number, since it uses less digits than its factorization.

1453452120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599 (or 589 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1453452120 is about 38124.1671384438. The cubic root of 1453452120 is about 1132.7487107811.

Adding to 1453452120 its reverse (212543541), we get a palindrome (1665995661).

The spelling of 1453452120 in words is "one billion, four hundred fifty-three million, four hundred fifty-two thousand, one hundred twenty".