1241391366 has 32 divisors (see below), whose sum is σ = 2833210080. Its totient is φ = 402612768.

The previous prime is 1241391331. The next prime is 1241391379. The reversal of 1241391366 is 6631931421.

It is a self number, because there is not a number n which added to its sum of digits gives 1241391366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308661 + ... + 312656.

It is an arithmetic number, because the mean of its divisors is an integer number (88537815).

Almost surely, 2^1241391366 is an apocalyptic number.

1241391366 is an abundant number, since it is smaller than the sum of its proper divisors (1591818714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1241391366 is a wasteful number, since it uses less digits than its factorization.

1241391366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621365 (or 621359 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 1241391366 is about 35233.3842541417. The cubic root of 1241391366 is about 1074.7387476914.

The spelling of 1241391366 in words is "one billion, two hundred forty-one million, three hundred ninety-one thousand, three hundred sixty-six".