1241136406 has 4 divisors (see below), whose sum is σ = 1861704612. Its totient is φ = 620568202.

The previous prime is 1241136401. The next prime is 1241136431. The reversal of 1241136406 is 6046311421.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241136401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310284100 + ... + 310284103.

It is an arithmetic number, because the mean of its divisors is an integer number (465426153).

Almost surely, 2^1241136406 is an apocalyptic number.

1241136406 is a deficient number, since it is larger than the sum of its proper divisors (620568206).

1241136406 is an equidigital number, since it uses as much as digits as its factorization.

1241136406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620568205.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1241136406 is about 35229.7659089583. The cubic root of 1241136406 is about 1074.6651651613.

Adding to 1241136406 its reverse (6046311421), we get a palindrome (7287447827).

The spelling of 1241136406 in words is "one billion, two hundred forty-one million, one hundred thirty-six thousand, four hundred six".