1241948661 has 24 divisors (see below), whose sum is σ = 1788383520. Its totient is φ = 766118304.

The previous prime is 1241948639. The next prime is 1241948677. The reversal of 1241948661 is 1668491421.

It is not a de Polignac number, because 1241948661 - 2¹⁷ = 1241817589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241948681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33235 + ... + 59903.

It is an arithmetic number, because the mean of its divisors is an integer number (74515980).

Almost surely, 2^1241948661 is an apocalyptic number.

It is an amenable number.

1241948661 is a deficient number, since it is larger than the sum of its proper divisors (546434859).

1241948661 is a wasteful number, since it uses less digits than its factorization.

1241948661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26753 (or 26734 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 1241948661 is about 35241.2919882345. The cubic root of 1241948661 is about 1074.8995503040.

The spelling of 1241948661 in words is "one billion, two hundred forty-one million, nine hundred forty-eight thousand, six hundred sixty-one".