1201240552 has 16 divisors (see below), whose sum is σ = 2329992900. Its totient is φ = 579909120.

The previous prime is 1201240543. The next prime is 1201240589. The reversal of 1201240552 is 2550421021.

It can be written as a sum of positive squares in 2 ways, for example, as 1199513956 + 1726596 = 34634^2 + 1314^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2588649 + ... + 2589112.

Almost surely, 2^1201240552 is an apocalyptic number.

It is an amenable number.

1201240552 is a deficient number, since it is larger than the sum of its proper divisors (1128752348).

1201240552 is a wasteful number, since it uses less digits than its factorization.

1201240552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5177796 (or 5177792 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1201240552 is about 34658.9173518158. The cubic root of 1201240552 is about 1063.0246328483.

Adding to 1201240552 its reverse (2550421021), we get a palindrome (3751661573).

The spelling of 1201240552 in words is "one billion, two hundred one million, two hundred forty thousand, five hundred fifty-two".