193425121 has 4 divisors (see below), whose sum is σ = 193687600. Its totient is φ = 193162644.

The previous prime is 193425119. The next prime is 193425131. The reversal of 193425121 is 121524391.

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, and also an emirpimes, since its reverse is a distinct semiprime: 121524391 = 37 ⋅3284443.

It is a cyclic number.

It is not a de Polignac number, because 193425121 - 2¹ = 193425119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 193425121.

It is not an unprimeable number, because it can be changed into a prime (193425131) 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, 130131 + ... + 131608.

It is an arithmetic number, because the mean of its divisors is an integer number (48421900).

Almost surely, 2^193425121 is an apocalyptic number.

It is an amenable number.

193425121 is a deficient number, since it is larger than the sum of its proper divisors (262479).

193425121 is an equidigital number, since it uses as much as digits as its factorization.

193425121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262478.

The product of its digits is 2160, while the sum is 28.

The square root of 193425121 is about 13907.7360127377. The cubic root of 193425121 is about 578.3236584425.

The spelling of 193425121 in words is "one hundred ninety-three million, four hundred twenty-five thousand, one hundred twenty-one".