1241216654 has 16 divisors (see below), whose sum is σ = 1894700160. Its totient is φ = 609675360.

The previous prime is 1241216651. The next prime is 1241216663. The reversal of 1241216654 is 4566121421.

It is a self number, because there is not a number n which added to its sum of digits gives 1241216654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241216651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99392 + ... + 111180.

It is an arithmetic number, because the mean of its divisors is an integer number (118418760).

Almost surely, 2^1241216654 is an apocalyptic number.

1241216654 is a deficient number, since it is larger than the sum of its proper divisors (653483506).

1241216654 is a wasteful number, since it uses less digits than its factorization.

1241216654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12715.

The product of its digits is 11520, while the sum is 32.

The square root of 1241216654 is about 35230.9048138137. The cubic root of 1241216654 is about 1074.6883261588.

The spelling of 1241216654 in words is "one billion, two hundred forty-one million, two hundred sixteen thousand, six hundred fifty-four".