1211244052 has 12 divisors (see below), whose sum is σ = 2125969300. Its totient is φ = 603824256.

The previous prime is 1211244049. The next prime is 1211244061. The reversal of 1211244052 is 2504421121.

It can be written as a sum of positive squares in 2 ways, for example, as 570445456 + 640798596 = 23884^2 + 25314^2 .

It is a super-2 number, since 2×1211244052² = 2934224307010757408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447927 + ... + 450622.

Almost surely, 2^1211244052 is an apocalyptic number.

It is an amenable number.

1211244052 is a deficient number, since it is larger than the sum of its proper divisors (914725248).

1211244052 is a wasteful number, since it uses less digits than its factorization.

1211244052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898890 (or 898888 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1211244052 is about 34802.9316581233. The cubic root of 1211244052 is about 1065.9673085378.

Adding to 1211244052 its reverse (2504421121), we get a palindrome (3715665173).

The spelling of 1211244052 in words is "one billion, two hundred eleven million, two hundred forty-four thousand, fifty-two".