1200400302 has 16 divisors (see below), whose sum is σ = 2418326352. Its totient is φ = 397212480.

The previous prime is 1200400301. The next prime is 1200400319. The reversal of 1200400302 is 2030040021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200400301) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 729349 + ... + 730992.

It is an arithmetic number, because the mean of its divisors is an integer number (151145397).

Almost surely, 2^1200400302 is an apocalyptic number.

1200400302 is an abundant number, since it is smaller than the sum of its proper divisors (1217926050).

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

1200400302 is a wasteful number, since it uses less digits than its factorization.

1200400302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460483.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1200400302 is about 34646.7935312923. The cubic root of 1200400302 is about 1062.7767183656.

Adding to 1200400302 its reverse (2030040021), we get a palindrome (3230440323).

The spelling of 1200400302 in words is "one billion, two hundred million, four hundred thousand, three hundred two".