1200431424 has 28 divisors (see below), whose sum is σ = 3176141984. Its totient is φ = 400143744.

The previous prime is 1200431417. The next prime is 1200431467. The reversal of 1200431424 is 4241340021.

It is a super-4 number, since 4×1200431424⁴ (a number of 37 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1200431424.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3125932 + ... + 3126315.

Almost surely, 2^1200431424 is an apocalyptic number.

It is an amenable number.

1200431424 is an abundant number, since it is smaller than the sum of its proper divisors (1975710560).

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

1200431424 is an equidigital number, since it uses as much as digits as its factorization.

1200431424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6252262 (or 6252252 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1200431424 is about 34647.2426608525. The cubic root of 1200431424 is about 1062.7859029271.

Adding to 1200431424 its reverse (4241340021), we get a palindrome (5441771445).

The spelling of 1200431424 in words is "one billion, two hundred million, four hundred thirty-one thousand, four hundred twenty-four".