1200455432 has 16 divisors (see below), whose sum is σ = 2455477200. Its totient is φ = 545661520.

The previous prime is 1200455429. The next prime is 1200455447. The reversal of 1200455432 is 2345540021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6820682 + ... + 6820857.

It is an arithmetic number, because the mean of its divisors is an integer number (153467325).

Almost surely, 2^1200455432 is an apocalyptic number.

It is an amenable number.

1200455432 is an abundant number, since it is smaller than the sum of its proper divisors (1255021768).

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

1200455432 is a wasteful number, since it uses less digits than its factorization.

1200455432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13641556 (or 13641552 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1200455432 is about 34647.5891224772. The cubic root of 1200455432 is about 1062.7929879337.

Adding to 1200455432 its reverse (2345540021), we get a palindrome (3545995453).

The spelling of 1200455432 in words is "one billion, two hundred million, four hundred fifty-five thousand, four hundred thirty-two".