1152005400 has 432 divisors, whose sum is σ = 4796634960. Its totient is φ = 242611200.

The previous prime is 1152005381. The next prime is 1152005411. The reversal of 1152005400 is 45002511.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 2129130 + ... + 2129670.

Almost surely, 2^1152005400 is an apocalyptic number.

1152005400 is a gapful number since it is divisible by the number (10) 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 1152005400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2398317480).

1152005400 is an abundant number, since it is smaller than the sum of its proper divisors (3644629560).

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

1152005400 is a wasteful number, since it uses less digits than its factorization.

1152005400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1152005400 is about 33941.2050463739. The cubic root of 1152005400 is about 1048.2981956444.

Adding to 1152005400 its reverse (45002511), we get a palindrome (1197007911).

The spelling of 1152005400 in words is "one billion, one hundred fifty-two million, five thousand, four hundred".