107854440121 has 4 divisors (see below), whose sum is σ = 109464207952. Its totient is φ = 106244672292.

The previous prime is 107854440073. The next prime is 107854440149. The reversal of 107854440121 is 121044458701.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 107854440121 - 2¹¹ = 107854438073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107854440191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804883815 + ... + 804883948.

It is an arithmetic number, because the mean of its divisors is an integer number (27366051988).

Almost surely, 2^107854440121 is an apocalyptic number.

It is an amenable number.

107854440121 is a deficient number, since it is larger than the sum of its proper divisors (1609767831).

107854440121 is an equidigital number, since it uses as much as digits as its factorization.

107854440121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609767830.

The product of its (nonzero) digits is 35840, while the sum is 37.

Adding to 107854440121 its reverse (121044458701), we get a palindrome (228898898822).

The spelling of 107854440121 in words is "one hundred seven billion, eight hundred fifty-four million, four hundred forty thousand, one hundred twenty-one".