1200140285 has 8 divisors (see below), whose sum is σ = 1446627840. Its totient is φ = 955805904.

The previous prime is 1200140269. The next prime is 1200140303. The reversal of 1200140285 is 5820410021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200140285 - 2⁴ = 1200140269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1200140285.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537065 + ... + 539294.

It is an arithmetic number, because the mean of its divisors is an integer number (180828480).

Almost surely, 2^1200140285 is an apocalyptic number.

It is an amenable number.

1200140285 is a deficient number, since it is larger than the sum of its proper divisors (246487555).

1200140285 is a wasteful number, since it uses less digits than its factorization.

1200140285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076587.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1200140285 is about 34643.0409317658. The cubic root of 1200140285 is about 1062.6999773072.

The spelling of 1200140285 in words is "one billion, two hundred million, one hundred forty thousand, two hundred eighty-five".