1241394811 has 8 divisors (see below), whose sum is σ = 1309538880. Its totient is φ = 1173531528.

The previous prime is 1241394799. The next prime is 1241394829. The reversal of 1241394811 is 1184931421.

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 1241394811 - 2¹⁹ = 1240870523 is a prime.

It is a super-2 number, since 2×1241394811² = 3082122153555451442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1241394311) 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, 61081 + ... + 78826.

It is an arithmetic number, because the mean of its divisors is an integer number (163692360).

Almost surely, 2^1241394811 is an apocalyptic number.

1241394811 is a deficient number, since it is larger than the sum of its proper divisors (68144069).

1241394811 is a wasteful number, since it uses less digits than its factorization.

1241394811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140393.

The product of its digits is 6912, while the sum is 34.

The square root of 1241394811 is about 35233.4331424004. The cubic root of 1241394811 is about 1074.7397418639.

The spelling of 1241394811 in words is "one billion, two hundred forty-one million, three hundred ninety-four thousand, eight hundred eleven".