387073111121 has 4 divisors (see below), whose sum is σ = 399559340544. Its totient is φ = 374586881700.

The previous prime is 387073111109. The next prime is 387073111127. The reversal of 387073111121 is 121111370783.

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 387073111121 - 2¹⁸ = 387072848977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (387073111127) 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, 6243114665 + ... + 6243114726.

It is an arithmetic number, because the mean of its divisors is an integer number (99889835136).

Almost surely, 2^387073111121 is an apocalyptic number.

387073111121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

387073111121 is a deficient number, since it is larger than the sum of its proper divisors (12486229423).

387073111121 is a wasteful number, since it uses less digits than its factorization.

387073111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12486229422.

The product of its (nonzero) digits is 7056, while the sum is 35.

The spelling of 387073111121 in words is "three hundred eighty-seven billion, seventy-three million, one hundred eleven thousand, one hundred twenty-one".