1241320066 has 8 divisors (see below), whose sum is σ = 2127977280. Its totient is φ = 531994308.

The previous prime is 1241320063. The next prime is 1241320117. The reversal of 1241320066 is 6600231421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1241320066.

It is not an unprimeable number, because it can be changed into a prime (1241320061) 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, 44332846 + ... + 44332873.

It is an arithmetic number, because the mean of its divisors is an integer number (265997160).

Almost surely, 2^1241320066 is an apocalyptic number.

1241320066 is a deficient number, since it is larger than the sum of its proper divisors (886657214).

1241320066 is an equidigital number, since it uses as much as digits as its factorization.

1241320066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88665728.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1241320066 is about 35232.3724151525. The cubic root of 1241320066 is about 1074.7181712259.

Adding to 1241320066 its reverse (6600231421), we get a palindrome (7841551487).

The spelling of 1241320066 in words is "one billion, two hundred forty-one million, three hundred twenty thousand, sixty-six".