1925121 has 8 divisors (see below), whose sum is σ = 2800224. Its totient is φ = 1166720.

The previous prime is 1925117. The next prime is 1925129. The reversal of 1925121 is 1215291.

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 1925121 - 2² = 1925117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1925129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29136 + ... + 29201.

It is an arithmetic number, because the mean of its divisors is an integer number (350028).

It is a Proth number, since it is equal to 235 ⋅ 2¹³ + 1 and 235 < 2¹³.

2^1925121 is an apocalyptic number.

1925121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1925121 is a deficient number, since it is larger than the sum of its proper divisors (875103).

1925121 is a wasteful number, since it uses less digits than its factorization.

1925121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58351.

The product of its digits is 180, while the sum is 21.

The square root of 1925121 is about 1387.4872972391. The cubic root of 1925121 is about 124.3997030972.

The spelling of 1925121 in words is "one million, nine hundred twenty-five thousand, one hundred twenty-one".