1200056878 has 8 divisors (see below), whose sum is σ = 1878349968. Its totient is φ = 573940224.

The previous prime is 1200056863. The next prime is 1200056933. The reversal of 1200056878 is 8786500021.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13044051 + ... + 13044142.

It is an arithmetic number, because the mean of its divisors is an integer number (234793746).

Almost surely, 2^1200056878 is an apocalyptic number.

1200056878 is a deficient number, since it is larger than the sum of its proper divisors (678293090).

1200056878 is a wasteful number, since it uses less digits than its factorization.

1200056878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26088218.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 1200056878 is about 34641.8371048650. The cubic root of 1200056878 is about 1062.6753583324.

Adding to 1200056878 its reverse (8786500021), we get a palindrome (9986556899).

The spelling of 1200056878 in words is "one billion, two hundred million, fifty-six thousand, eight hundred seventy-eight".