1204721152 has 20 divisors (see below), whose sum is σ = 2407090356. Its totient is φ = 602360320.

The previous prime is 1204721149. The next prime is 1204721159. The reversal of 1204721152 is 2511274021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204721159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1175974 + ... + 1176997.

Almost surely, 2^1204721152 is an apocalyptic number.

It is an amenable number.

1204721152 is a deficient number, since it is larger than the sum of its proper divisors (1202369204).

1204721152 is an frugal number, since it uses more digits than its factorization.

1204721152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352989 (or 2352973 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 1204721152 is about 34709.0932177722. The cubic root of 1204721152 is about 1064.0503490599.

Adding to 1204721152 its reverse (2511274021), we get a palindrome (3715995173).

The spelling of 1204721152 in words is "one billion, two hundred four million, seven hundred twenty-one thousand, one hundred fifty-two".