1241020536 has 128 divisors (see below), whose sum is σ = 3765864960. Its totient is φ = 332697600.

The previous prime is 1241020457. The next prime is 1241020537. The reversal of 1241020536 is 6350201421.

1241020536 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241020537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1630396 + ... + 1631156.

It is an arithmetic number, because the mean of its divisors is an integer number (29420820).

Almost surely, 2^1241020536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1241020536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1882932480).

1241020536 is an abundant number, since it is smaller than the sum of its proper divisors (2524844424).

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

1241020536 is a wasteful number, since it uses less digits than its factorization.

1241020536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365 (or 1361 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1241020536 is about 35228.1213805108. The cubic root of 1241020536 is about 1074.6317212607.

Adding to 1241020536 its reverse (6350201421), we get a palindrome (7591221957).

The spelling of 1241020536 in words is "one billion, two hundred forty-one million, twenty thousand, five hundred thirty-six".