1200234432 has 56 divisors (see below), whose sum is σ = 3183174736. Its totient is φ = 399126528.

The previous prime is 1200234421. The next prime is 1200234443. The reversal of 1200234432 is 2344320021.

It is an interprime number because it is at equal distance from previous prime (1200234421) and next prime (1200234443).

It is a junction number, because it is equal to n+sod(n) for n = 1200234399 and 1200234408.

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, 75918 + ... + 90354.

It is an arithmetic number, because the mean of its divisors is an integer number (56842406).

Almost surely, 2^1200234432 is an apocalyptic number.

1200234432 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 1200234432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1591587368).

1200234432 is an abundant number, since it is smaller than the sum of its proper divisors (1982940304).

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

1200234432 is a wasteful number, since it uses less digits than its factorization.

1200234432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14885 (or 14875 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1200234432 is about 34644.3997205898. The cubic root of 1200234432 is about 1062.7277650028.

Adding to 1200234432 its reverse (2344320021), we get a palindrome (3544554453).

The spelling of 1200234432 in words is "one billion, two hundred million, two hundred thirty-four thousand, four hundred thirty-two".