1230913845 has 96 divisors (see below), whose sum is σ = 2544721920. Its totient is φ = 538513920.

The previous prime is 1230913837. The next prime is 1230913847. The reversal of 1230913845 is 5483190321.

It is not a de Polignac number, because 1230913845 - 2³ = 1230913837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230913847) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1159615 + ... + 1160675.

It is an arithmetic number, because the mean of its divisors is an integer number (26507520).

Almost surely, 2^1230913845 is an apocalyptic number.

1230913845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1230913845 is an abundant number, since it is smaller than the sum of its proper divisors (1313808075).

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

1230913845 is a wasteful number, since it uses less digits than its factorization.

1230913845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235 (or 1232 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1230913845 is about 35084.3817816418. The cubic root of 1230913845 is about 1071.7065512249.

The spelling of 1230913845 in words is "one billion, two hundred thirty million, nine hundred thirteen thousand, eight hundred forty-five".