1243552152 has 32 divisors (see below), whose sum is σ = 3115018800. Its totient is φ = 413698944.

The previous prime is 1243552127. The next prime is 1243552169. The reversal of 1243552152 is 2512553421.

It is a super-3 number, since 3×1243552152³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38683 + ... + 63114.

Almost surely, 2^1243552152 is an apocalyptic number.

1243552152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1243552152 is an abundant number, since it is smaller than the sum of its proper divisors (1871466648).

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

1243552152 is a wasteful number, since it uses less digits than its factorization.

1243552152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102315 (or 102311 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 1243552152 is about 35264.0348230318. The cubic root of 1243552152 is about 1075.3619554901.

The spelling of 1243552152 in words is "one billion, two hundred forty-three million, five hundred fifty-two thousand, one hundred fifty-two".