1204688124 has 18 divisors (see below), whose sum is σ = 3045183960. Its totient is φ = 401562696.

The previous prime is 1204688123. The next prime is 1204688131. The reversal of 1204688124 is 4218864021.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1204688124² = 2902546952213278752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 33463559 = 1204688124 / (1 + 2 + 0 + 4 + 6 + 8 + 8 + 1 + 2 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204688123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16731744 + ... + 16731815.

Almost surely, 2^1204688124 is an apocalyptic number.

It is an amenable number.

1204688124 is an abundant number, since it is smaller than the sum of its proper divisors (1840495836).

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

1204688124 is a wasteful number, since it uses less digits than its factorization.

1204688124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33463569 (or 33463564 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 1204688124 is about 34708.6174314103. The cubic root of 1204688124 is about 1064.0406251566.

The spelling of 1204688124 in words is "one billion, two hundred four million, six hundred eighty-eight thousand, one hundred twenty-four".