1230785118 has 40 divisors (see below), whose sum is σ = 2760919920. Its totient is φ = 409808160.

The previous prime is 1230785117. The next prime is 1230785119. The reversal of 1230785118 is 8115870321.

It is an interprime number because it is at equal distance from previous prime (1230785117) and next prime (1230785119).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230785117) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 163338 + ... + 170706.

It is an arithmetic number, because the mean of its divisors is an integer number (69022998).

Almost surely, 2^1230785118 is an apocalyptic number.

1230785118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1230785118 is an abundant number, since it is smaller than the sum of its proper divisors (1530134802).

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

1230785118 is a wasteful number, since it uses less digits than its factorization.

1230785118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8414 (or 8405 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 1230785118 is about 35082.5471994267. The cubic root of 1230785118 is about 1071.6691908038.

The spelling of 1230785118 in words is "one billion, two hundred thirty million, seven hundred eighty-five thousand, one hundred eighteen".