1241493985 has 16 divisors (see below), whose sum is σ = 1501814016. Its totient is φ = 985203648.

The previous prime is 1241493971. The next prime is 1241494027. The reversal of 1241493985 is 5893941421.

It is a cyclic number.

It is not a de Polignac number, because 1241493985 - 2²⁷ = 1107276257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695404 + ... + 697186.

It is an arithmetic number, because the mean of its divisors is an integer number (93863376).

Almost surely, 2^1241493985 is an apocalyptic number.

It is an amenable number.

1241493985 is a deficient number, since it is larger than the sum of its proper divisors (260320031).

1241493985 is a wasteful number, since it uses less digits than its factorization.

1241493985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832.

The product of its digits is 311040, while the sum is 46.

The square root of 1241493985 is about 35234.8404991423. The cubic root of 1241493985 is about 1074.7683611235.

It can be divided in two parts, 124149398 and 5, that added together give a triangular number (124149403 = T₁₅₇₅₇).

The spelling of 1241493985 in words is "one billion, two hundred forty-one million, four hundred ninety-three thousand, nine hundred eighty-five".