1260561941 has 8 divisors (see below), whose sum is σ = 1265960640. Its totient is φ = 1255174272.

The previous prime is 1260561901. The next prime is 1260561947. The reversal of 1260561941 is 1491650621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1260561941 - 2¹⁸ = 1260299797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260561947) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 288350 + ... + 292688.

It is an arithmetic number, because the mean of its divisors is an integer number (158245080).

Almost surely, 2^1260561941 is an apocalyptic number.

It is an amenable number.

1260561941 is a deficient number, since it is larger than the sum of its proper divisors (5398699).

1260561941 is an equidigital number, since it uses as much as digits as its factorization.

1260561941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5515.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 1260561941 is about 35504.3932633695. The cubic root of 1260561941 is about 1080.2428411971.

The spelling of 1260561941 in words is "one billion, two hundred sixty million, five hundred sixty-one thousand, nine hundred forty-one".