1230155124 has 24 divisors (see below), whose sum is σ = 3131304288. Its totient is φ = 372774240.

The previous prime is 1230155117. The next prime is 1230155141. The reversal of 1230155124 is 4215510321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1230155094 and 1230155103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4659547 + ... + 4659810.

It is an arithmetic number, because the mean of its divisors is an integer number (130471012).

Almost surely, 2^1230155124 is an apocalyptic number.

It is an amenable number.

1230155124 is an abundant number, since it is smaller than the sum of its proper divisors (1901149164).

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

1230155124 is a wasteful number, since it uses less digits than its factorization.

1230155124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9319375 (or 9319373 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1230155124 is about 35073.5673121512. The cubic root of 1230155124 is about 1071.4863101430.

Adding to 1230155124 its reverse (4215510321), we get a palindrome (5445665445).

The spelling of 1230155124 in words is "one billion, two hundred thirty million, one hundred fifty-five thousand, one hundred twenty-four".