1204123124 has 36 divisors (see below), whose sum is σ = 2242859724. Its totient is φ = 565533696.

The previous prime is 1204123121. The next prime is 1204123159. The reversal of 1204123124 is 4213214021.

It can be written as a sum of positive squares in 6 ways, for example, as 367872400 + 836250724 = 19180^2 + 28918^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1204123096 and 1204123105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204123121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1101122 + ... + 1102214.

It is an arithmetic number, because the mean of its divisors is an integer number (62301659).

Almost surely, 2^1204123124 is an apocalyptic number.

It is an amenable number.

1204123124 is a deficient number, since it is larger than the sum of its proper divisors (1038736600).

1204123124 is a wasteful number, since it uses less digits than its factorization.

1204123124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084 (or 2065 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1204123124 is about 34700.4772877838. The cubic root of 1204123124 is about 1063.8742537528.

Adding to 1204123124 its reverse (4213214021), we get a palindrome (5417337145).

The spelling of 1204123124 in words is "one billion, two hundred four million, one hundred twenty-three thousand, one hundred twenty-four".