1226660041437 has 8 divisors (see below), whose sum is σ = 1636071116160. Its totient is φ = 817511163840.

The previous prime is 1226660041421. The next prime is 1226660041507. The reversal of 1226660041437 is 7341400666221.

It is a happy number.

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

It is not a de Polignac number, because 1226660041437 - 2⁴ = 1226660041421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226660048437) 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, 65538364 + ... + 65557077.

It is an arithmetic number, because the mean of its divisors is an integer number (204508889520).

Almost surely, 2^{1226660041437} is an apocalyptic number.

It is an amenable number.

1226660041437 is a deficient number, since it is larger than the sum of its proper divisors (409411074723).

1226660041437 is a wasteful number, since it uses less digits than its factorization.

1226660041437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131098563.

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 1226660041437 in words is "one trillion, two hundred twenty-six billion, six hundred sixty million, forty-one thousand, four hundred thirty-seven".