1204323552 has 72 divisors (see below), whose sum is σ = 3551662296. Its totient is φ = 401438592.

The previous prime is 1204323541. The next prime is 1204323577. The reversal of 1204323552 is 2553234021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

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 11 ways as a sum of consecutive naturals, for example, 69663 + ... + 85214.

It is an arithmetic number, because the mean of its divisors is an integer number (49328643).

Almost surely, 2^1204323552 is an apocalyptic number.

1204323552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1204323552 is an abundant number, since it is smaller than the sum of its proper divisors (2347338744).

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

1204323552 is an equidigital number, since it uses as much as digits as its factorization.

1204323552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154902 (or 154882 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1204323552 is about 34703.3651394213. The cubic root of 1204323552 is about 1063.9332782703.

Adding to 1204323552 its reverse (2553234021), we get a palindrome (3757557573).

The spelling of 1204323552 in words is "one billion, two hundred four million, three hundred twenty-three thousand, five hundred fifty-two".