1241205530 has 16 divisors (see below), whose sum is σ = 2365592040. Its totient is φ = 467277312.

The previous prime is 1241205527. The next prime is 1241205629. The reversal of 1241205530 is 355021421.

It can be written as a sum of positive squares in 4 ways, for example, as 1179441649 + 61763881 = 34343^2 + 7859^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1241205496 and 1241205505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3650435 + ... + 3650774.

Almost surely, 2^1241205530 is an apocalyptic number.

1241205530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1241205530 is a deficient number, since it is larger than the sum of its proper divisors (1124386510).

1241205530 is a wasteful number, since it uses less digits than its factorization.

1241205530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7301233.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1241205530 is about 35230.7469407051. The cubic root of 1241205530 is about 1074.6851156345.

Adding to 1241205530 its reverse (355021421), we get a palindrome (1596226951).

The spelling of 1241205530 in words is "one billion, two hundred forty-one million, two hundred five thousand, five hundred thirty".