1241040528 has 400 divisors, whose sum is σ = 4688449920. Its totient is φ = 307556352.

The previous prime is 1241040523. The next prime is 1241040533. The reversal of 1241040528 is 8250401421.

1241040528 is a `hidden beast` number, since 124 + 10 + 4 + 0 + 528 = 666.

It is an interprime number because it is at equal distance from previous prime (1241040523) and next prime (1241040533).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241040523) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2004603 + ... + 2005221.

Almost surely, 2^1241040528 is an apocalyptic number.

1241040528 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 1241040528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2344224960).

1241040528 is an abundant number, since it is smaller than the sum of its proper divisors (3447409392).

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

1241040528 is a wasteful number, since it uses less digits than its factorization.

1241040528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 1241040528 is about 35228.4051299516. The cubic root of 1241040528 is about 1074.6374917594.

Adding to 1241040528 its reverse (8250401421), we get a palindrome (9491441949).

The spelling of 1241040528 in words is "one billion, two hundred forty-one million, forty thousand, five hundred twenty-eight".