1200535340 has 12 divisors (see below), whose sum is σ = 2521124256. Its totient is φ = 480214128.

The previous prime is 1200535321. The next prime is 1200535381. The reversal of 1200535340 is 435350021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30013364 + ... + 30013403.

It is an arithmetic number, because the mean of its divisors is an integer number (210093688).

Almost surely, 2^1200535340 is an apocalyptic number.

1200535340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200535340 is an abundant number, since it is smaller than the sum of its proper divisors (1320588916).

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

1200535340 is a wasteful number, since it uses less digits than its factorization.

1200535340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60026776 (or 60026774 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 1200535340 is about 34648.7422571152. The cubic root of 1200535340 is about 1062.8165689224.

Adding to 1200535340 its reverse (435350021), we get a palindrome (1635885361).

The spelling of 1200535340 in words is "one billion, two hundred million, five hundred thirty-five thousand, three hundred forty".