1209230124 has 12 divisors (see below), whose sum is σ = 2821536984. Its totient is φ = 403076704.

The previous prime is 1209230123. The next prime is 1209230153. The reversal of 1209230124 is 4210329021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1209230094 and 1209230103.

It is not an unprimeable number, because it can be changed into a prime (1209230123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50384577 + ... + 50384600.

It is an arithmetic number, because the mean of its divisors is an integer number (235128082).

Almost surely, 2^1209230124 is an apocalyptic number.

It is an amenable number.

1209230124 is an abundant number, since it is smaller than the sum of its proper divisors (1612306860).

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

1209230124 is a wasteful number, since it uses less digits than its factorization.

1209230124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100769184 (or 100769182 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1209230124 is about 34773.9863116094. The cubic root of 1209230124 is about 1065.3761883805.

Adding to 1209230124 its reverse (4210329021), we get a palindrome (5419559145).

The spelling of 1209230124 in words is "one billion, two hundred nine million, two hundred thirty thousand, one hundred twenty-four".