1218126304 has 24 divisors (see below), whose sum is σ = 2401530768. Its totient is φ = 608213760.

The previous prime is 1218126293. The next prime is 1218126311. The reversal of 1218126304 is 4036218121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2917 + ... + 49444.

It is an arithmetic number, because the mean of its divisors is an integer number (100063782).

Almost surely, 2^1218126304 is an apocalyptic number.

It is an amenable number.

1218126304 is a deficient number, since it is larger than the sum of its proper divisors (1183404464).

1218126304 is an equidigital number, since it uses as much as digits as its factorization.

1218126304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53098 (or 53090 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1218126304 is about 34901.6662066441. Note that the first 3 decimals coincide. The cubic root of 1218126304 is about 1067.9824280425.

The spelling of 1218126304 in words is "one billion, two hundred eighteen million, one hundred twenty-six thousand, three hundred four".