1211472304 has 80 divisors (see below), whose sum is σ = 2756395008. Its totient is φ = 505080576.

The previous prime is 1211472293. The next prime is 1211472323. The reversal of 1211472304 is 4032741121.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 753069 + ... + 754675.

Almost surely, 2^1211472304 is an apocalyptic number.

1211472304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1211472304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1378197504).

1211472304 is an abundant number, since it is smaller than the sum of its proper divisors (1544922704).

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

1211472304 is a wasteful number, since it uses less digits than its factorization.

1211472304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802 (or 1796 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1211472304 is about 34806.2107101592. The cubic root of 1211472304 is about 1066.0342628090.

The spelling of 1211472304 in words is "one billion, two hundred eleven million, four hundred seventy-two thousand, three hundred four".