1204124400 has 120 divisors (see below), whose sum is σ = 4285829360. Its totient is φ = 321096960.

The previous prime is 1204124387. The next prime is 1204124473. The reversal of 1204124400 is 44214021.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 44947 + ... + 66546.

Almost surely, 2^1204124400 is an apocalyptic number.

1204124400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204124400 is an abundant number, since it is smaller than the sum of its proper divisors (3081704960).

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

1204124400 is a wasteful number, since it uses less digits than its factorization.

1204124400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111520 (or 111503 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1204124400 is about 34700.4956736932. The cubic root of 1204124400 is about 1063.8746295458.

Adding to 1204124400 its reverse (44214021), we get a palindrome (1248338421).

The spelling of 1204124400 in words is "one billion, two hundred four million, one hundred twenty-four thousand, four hundred".