1200473278 has 8 divisors (see below), whose sum is σ = 1801561320. Its totient is φ = 599952840.

The previous prime is 1200473227. The next prime is 1200473279. The reversal of 1200473278 is 8723740021.

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

It is a super-2 number, since 2×1200473278² = 2882272182384130568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200473279) 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 3 ways as a sum of consecutive naturals, for example, 136573 + ... + 145096.

It is an arithmetic number, because the mean of its divisors is an integer number (225195165).

Almost surely, 2^1200473278 is an apocalyptic number.

1200473278 is a deficient number, since it is larger than the sum of its proper divisors (601088042).

1200473278 is a wasteful number, since it uses less digits than its factorization.

1200473278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283802.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 1200473278 is about 34647.8466574764. The cubic root of 1200473278 is about 1062.7982544099.

The spelling of 1200473278 in words is "one billion, two hundred million, four hundred seventy-three thousand, two hundred seventy-eight".