381772930121 has 8 divisors (see below), whose sum is σ = 426637598688. Its totient is φ = 338601268000.

The previous prime is 381772930117. The next prime is 381772930129. The reversal of 381772930121 is 121039277183.

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 381772930121 - 2² = 381772930117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381772930129) 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, 423251135 + ... + 423252036.

It is an arithmetic number, because the mean of its divisors is an integer number (53329699836).

Almost surely, 2^381772930121 is an apocalyptic number.

It is an amenable number.

381772930121 is a deficient number, since it is larger than the sum of its proper divisors (44864668567).

381772930121 is a wasteful number, since it uses less digits than its factorization.

381772930121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846503223.

The product of its (nonzero) digits is 127008, while the sum is 44.

The spelling of 381772930121 in words is "three hundred eighty-one billion, seven hundred seventy-two million, nine hundred thirty thousand, one hundred twenty-one".