1210533552 has 160 divisors (see below), whose sum is σ = 3702620160. Its totient is φ = 377349120.

The previous prime is 1210533509. The next prime is 1210533553. The reversal of 1210533552 is 2553350121.

It is a happy number.

1210533552 is a `hidden beast` number, since 1 + 2 + 105 + 3 + 3 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1210533553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1402273 + ... + 1403135.

It is an arithmetic number, because the mean of its divisors is an integer number (23141376).

Almost surely, 2^1210533552 is an apocalyptic number.

1210533552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210533552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1851310080).

1210533552 is an abundant number, since it is smaller than the sum of its proper divisors (2492086608).

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

1210533552 is a wasteful number, since it uses less digits than its factorization.

1210533552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088 (or 1076 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 1210533552 is about 34792.7226873667. The cubic root of 1210533552 is about 1065.7588402533.

Adding to 1210533552 its reverse (2553350121), we get a palindrome (3763883673).

The spelling of 1210533552 in words is "one billion, two hundred ten million, five hundred thirty-three thousand, five hundred fifty-two".