1241163648 has 160 divisors (see below), whose sum is σ = 3758139000. Its totient is φ = 406508544.

The previous prime is 1241163643. The next prime is 1241163691. The reversal of 1241163648 is 8463611421.

1241163648 is a `hidden beast` number, since 1 + 2 + 4 + 1 + 1 + 6 + 3 + 648 = 666.

It is a super-2 number, since 2×1241163648² = 3080974402233335808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241163641) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 610698 + ... + 612726.

Almost surely, 2^1241163648 is an apocalyptic number.

1241163648 is a gapful number since it is divisible by the number (18) 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 1241163648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1879069500).

1241163648 is an abundant number, since it is smaller than the sum of its proper divisors (2516975352).

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

1241163648 is an equidigital number, since it uses as much as digits as its factorization.

1241163648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114 (or 2093 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 1241163648 is about 35230.1525401182. The cubic root of 1241163648 is about 1074.6730277981.

The spelling of 1241163648 in words is "one billion, two hundred forty-one million, one hundred sixty-three thousand, six hundred forty-eight".