1241920408 has 16 divisors (see below), whose sum is σ = 2451159000. Its totient is φ = 588278016.

The previous prime is 1241920403. The next prime is 1241920417. The reversal of 1241920408 is 8040291421.

It is a self number, because there is not a number n which added to its sum of digits gives 1241920408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241920403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4085113 + ... + 4085416.

Almost surely, 2^1241920408 is an apocalyptic number.

It is an amenable number.

1241920408 is a deficient number, since it is larger than the sum of its proper divisors (1209238592).

1241920408 is a wasteful number, since it uses less digits than its factorization.

1241920408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8170554 (or 8170550 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1241920408 is about 35240.8911351572. The cubic root of 1241920408 is about 1074.8913993049.

The spelling of 1241920408 in words is "one billion, two hundred forty-one million, nine hundred twenty thousand, four hundred eight".