1205452148 has 6 divisors (see below), whose sum is σ = 2109541266. Its totient is φ = 602726072.

The previous prime is 1205452147. The next prime is 1205452151. The reversal of 1205452148 is 8412545021.

It can be written as a sum of positive squares in only one way, i.e., 970197904 + 235254244 = 31148^2 + 15338^2 .

It is a super-2 number, since 2×1205452148² = 2906229762235627808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205452147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150681515 + ... + 150681522.

It is an arithmetic number, because the mean of its divisors is an integer number (351590211).

Almost surely, 2^1205452148 is an apocalyptic number.

It is an amenable number.

1205452148 is a deficient number, since it is larger than the sum of its proper divisors (904089118).

1205452148 is a wasteful number, since it uses less digits than its factorization.

1205452148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301363041 (or 301363039 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 1205452148 is about 34719.6219449463. The cubic root of 1205452148 is about 1064.2655189855.

Adding to 1205452148 its reverse (8412545021), we get a palindrome (9617997169).

The spelling of 1205452148 in words is "one billion, two hundred five million, four hundred fifty-two thousand, one hundred forty-eight".