1241260564 has 6 divisors (see below), whose sum is σ = 2172205994. Its totient is φ = 620630280.

The previous prime is 1241260549. The next prime is 1241260577. The reversal of 1241260564 is 4650621421.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 634032400 + 607228164 = 25180^2 + 24642^2 .

It is a super-3 number, since 3×1241260564³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155157567 + ... + 155157574.

Almost surely, 2^1241260564 is an apocalyptic number.

It is an amenable number.

1241260564 is a deficient number, since it is larger than the sum of its proper divisors (930945430).

1241260564 is a wasteful number, since it uses less digits than its factorization.

1241260564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310315145 (or 310315143 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1241260564 is about 35231.5279827600. The cubic root of 1241260564 is about 1074.7009989418.

Adding to 1241260564 its reverse (4650621421), we get a palindrome (5891881985).

The spelling of 1241260564 in words is "one billion, two hundred forty-one million, two hundred sixty thousand, five hundred sixty-four".