1241640673 has 8 divisors (see below), whose sum is σ = 1528173248. Its totient is φ = 982396944.

The previous prime is 1241640661. The next prime is 1241640707. The reversal of 1241640673 is 3760461421.

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 1241640673 - 2⁵ = 1241640641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1241640173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6822111 + ... + 6822292.

It is an arithmetic number, because the mean of its divisors is an integer number (191021656).

Almost surely, 2^1241640673 is an apocalyptic number.

1241640673 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1241640673 is a deficient number, since it is larger than the sum of its proper divisors (286532575).

1241640673 is a wasteful number, since it uses less digits than its factorization.

1241640673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13644423.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1241640673 is about 35236.9220137060. The cubic root of 1241640673 is about 1074.8106890001.

The spelling of 1241640673 in words is "one billion, two hundred forty-one million, six hundred forty thousand, six hundred seventy-three".