1241121672 has 48 divisors (see below), whose sum is σ = 3841568640. Its totient is φ = 354606048.

The previous prime is 1241121649. The next prime is 1241121683. The reversal of 1241121672 is 2761211421.

It is a nude number because it is divisible by every one of its digits.

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 11 ways as a sum of consecutive naturals, for example, 1230768 + ... + 1231775.

It is an arithmetic number, because the mean of its divisors is an integer number (80032680).

Almost surely, 2^1241121672 is an apocalyptic number.

1241121672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1241121672 is an abundant number, since it is smaller than the sum of its proper divisors (2600446968).

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

1241121672 is a wasteful number, since it uses less digits than its factorization.

1241121672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2462562 (or 2462555 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 1241121672 is about 35229.5567953955. The cubic root of 1241121672 is about 1074.6609125589.

The spelling of 1241121672 in words is "one billion, two hundred forty-one million, one hundred twenty-one thousand, six hundred seventy-two".