1230703878 has 16 divisors (see below), whose sum is σ = 2463640560. Its totient is φ = 409862496.

The previous prime is 1230703871. The next prime is 1230703913. The reversal of 1230703878 is 8783070321.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230703871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85825 + ... + 99132.

It is an arithmetic number, because the mean of its divisors is an integer number (153977535).

Almost surely, 2^1230703878 is an apocalyptic number.

1230703878 is an abundant number, since it is smaller than the sum of its proper divisors (1232936682).

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

1230703878 is a wasteful number, since it uses less digits than its factorization.

1230703878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186071.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 1230703878 is about 35081.3893396485. The cubic root of 1230703878 is about 1071.6456111880.

The spelling of 1230703878 in words is "one billion, two hundred thirty million, seven hundred three thousand, eight hundred seventy-eight".