387573121 has 8 divisors (see below), whose sum is σ = 417602304. Its totient is φ = 357574800.

The previous prime is 387573119. The next prime is 387573149. The reversal of 387573121 is 121375783.

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 387573121 - 2¹ = 387573119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387573521) 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, 22896 + ... + 36046.

It is an arithmetic number, because the mean of its divisors is an integer number (52200288).

Almost surely, 2^387573121 is an apocalyptic number.

It is an amenable number.

387573121 is a deficient number, since it is larger than the sum of its proper divisors (30029183).

387573121 is a wasteful number, since it uses less digits than its factorization.

387573121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15431.

The product of its digits is 35280, while the sum is 37.

The square root of 387573121 is about 19686.8768726784. The cubic root of 387573121 is about 729.0957221092.

The spelling of 387573121 in words is "three hundred eighty-seven million, five hundred seventy-three thousand, one hundred twenty-one".