1220687458373 has 8 divisors (see below), whose sum is σ = 1253692898592. Its totient is φ = 1187682749136.

The previous prime is 1220687458271. The next prime is 1220687458409. The reversal of 1220687458373 is 3738547860221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220687458373 - 2²⁴ = 1220670681157 is a prime.

It is a super-3 number, since 3×1220687458373³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220687458673) 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, 5921786 + ... + 6124452.

It is an arithmetic number, because the mean of its divisors is an integer number (156711612324).

Almost surely, 2^{1220687458373} is an apocalyptic number.

It is an amenable number.

1220687458373 is a deficient number, since it is larger than the sum of its proper divisors (33005440219).

1220687458373 is a wasteful number, since it uses less digits than its factorization.

1220687458373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365491.

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 1220687458373 in words is "one trillion, two hundred twenty billion, six hundred eighty-seven million, four hundred fifty-eight thousand, three hundred seventy-three".