1241215402346 has 4 divisors (see below), whose sum is σ = 1861823103522. Its totient is φ = 620607701172.

The previous prime is 1241215402333. The next prime is 1241215402363. The reversal of 1241215402346 is 6432045121421.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1158014884321 + 83200518025 = 1076111^2 + 288445^2 .

It is an unprimeable number.

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, 310303850585 + ... + 310303850588.

Almost surely, 2^{1241215402346} is an apocalyptic number.

1241215402346 is a deficient number, since it is larger than the sum of its proper divisors (620607701176).

1241215402346 is an equidigital number, since it uses as much as digits as its factorization.

1241215402346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620607701175.

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 1241215402346 in words is "one trillion, two hundred forty-one billion, two hundred fifteen million, four hundred two thousand, three hundred forty-six".