1252231552 has 192 divisors, whose sum is σ = 3081652560. Its totient is φ = 499322880.

The previous prime is 1252231549. The next prime is 1252231559. The reversal of 1252231552 is 2551322521.

It is a self number, because there is not a number n which added to its sum of digits gives 1252231552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252231559) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 29121643 + ... + 29121685.

Almost surely, 2^1252231552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1252231552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1540826280).

1252231552 is an abundant number, since it is smaller than the sum of its proper divisors (1829421008).

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

1252231552 is a wasteful number, since it uses less digits than its factorization.

1252231552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 106 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 1252231552 is about 35386.8838978512. The cubic root of 1252231552 is about 1077.8579950009.

The spelling of 1252231552 in words is "one billion, two hundred fifty-two million, two hundred thirty-one thousand, five hundred fifty-two".