1240667066121 has 8 divisors (see below), whose sum is σ = 1890540291264. Its totient is φ = 708952609200.

The previous prime is 1240667066113. The next prime is 1240667066123. The reversal of 1240667066121 is 1216607660421.

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

It is not a de Polignac number, because 1240667066121 - 2³ = 1240667066113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1240667066123) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 29539692030 + ... + 29539692071.

It is an arithmetic number, because the mean of its divisors is an integer number (236317536408).

Almost surely, 2^{1240667066121} is an apocalyptic number.

It is an amenable number.

1240667066121 is a deficient number, since it is larger than the sum of its proper divisors (649873225143).

1240667066121 is an equidigital number, since it uses as much as digits as its factorization.

1240667066121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59079384111.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 1240667066121 in words is "one trillion, two hundred forty billion, six hundred sixty-seven million, sixty-six thousand, one hundred twenty-one".