1553204124 has 18 divisors (see below), whose sum is σ = 3926154960. Its totient is φ = 517734696.

The previous prime is 1553204123. The next prime is 1553204171. The reversal of 1553204124 is 4214023551.

1553204124 is a `hidden beast` number, since 1 + 5 + 532 + 0 + 4 + 124 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553204123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21572244 + ... + 21572315.

It is an arithmetic number, because the mean of its divisors is an integer number (218119720).

Almost surely, 2^1553204124 is an apocalyptic number.

It is an amenable number.

1553204124 is an abundant number, since it is smaller than the sum of its proper divisors (2372950836).

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

1553204124 is a wasteful number, since it uses less digits than its factorization.

1553204124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43144569 (or 43144564 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1553204124 is about 39410.7107776554. The cubic root of 1553204124 is about 1158.0914225297.

Adding to 1553204124 its reverse (4214023551), we get a palindrome (5767227675).

The spelling of 1553204124 in words is "one billion, five hundred fifty-three million, two hundred four thousand, one hundred twenty-four".