1224428214961 has 8 divisors (see below), whose sum is σ = 1399415434560. Its totient is φ = 1049458221168.

The previous prime is 1224428214949. The next prime is 1224428214967. The reversal of 1224428214961 is 1694128244221.

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

It is not a de Polignac number, because 1224428214961 - 2²⁷ = 1224293997233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224428214967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4153771 + ... + 4438768.

It is an arithmetic number, because the mean of its divisors is an integer number (174926929320).

Almost surely, 2^{1224428214961} is an apocalyptic number.

It is an amenable number.

1224428214961 is a deficient number, since it is larger than the sum of its proper divisors (174987219599).

1224428214961 is an equidigital number, since it uses as much as digits as its factorization.

1224428214961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8612903.

The product of its digits is 442368, while the sum is 46.

The spelling of 1224428214961 in words is "one trillion, two hundred twenty-four billion, four hundred twenty-eight million, two hundred fourteen thousand, nine hundred sixty-one".