1572105414121 has 8 divisors (see below), whose sum is σ = 1722384709344. Its totient is φ = 1423052889120.

The previous prime is 1572105414097. The next prime is 1572105414133. The reversal of 1572105414121 is 1214145012751.

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 1572105414121 - 2⁹ = 1572105413609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1572105417121) 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, 306689871 + ... + 306694996.

It is an arithmetic number, because the mean of its divisors is an integer number (215298088668).

Almost surely, 2^{1572105414121} is an apocalyptic number.

1572105414121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1572105414121 is a deficient number, since it is larger than the sum of its proper divisors (150279295223).

1572105414121 is a wasteful number, since it uses less digits than its factorization.

1572105414121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613385111.

The product of its (nonzero) digits is 11200, while the sum is 34.

The spelling of 1572105414121 in words is "one trillion, five hundred seventy-two billion, one hundred five million, four hundred fourteen thousand, one hundred twenty-one".