1241215488 has 150 divisors (see below), whose sum is σ = 3726239649. Its totient is φ = 411346944.

The previous prime is 1241215487. The next prime is 1241215499. The reversal of 1241215488 is 8845121421.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

1241215488 is a `hidden beast` number, since 12 + 412 + 154 + 88 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 976437504 + 264777984 = 31248^2 + 16272^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=24912.

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

It is not an unprimeable number, because it can be changed into a prime (1241215487) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 7174570 + ... + 7174742.

Almost surely, 2^1241215488 is an apocalyptic number.

1241215488 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 1241215488

1241215488 is an abundant number, since it is smaller than the sum of its proper divisors (2485024161).

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

1241215488 is an frugal number, since it uses more digits than its factorization.

1241215488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 178 counting only the distinct ones).

The product of its digits is 20480, while the sum is 36.

The square root of 1241215488 is about 35230.8882658385. Note that the first 3 decimals coincide. The cubic root of 1241215488 is about 1074.6879896377.

The spelling of 1241215488 in words is "one billion, two hundred forty-one million, two hundred fifteen thousand, four hundred eighty-eight".