1925105 has 16 divisors (see below), whose sum is σ = 2843904. Its totient is φ = 1218240.

The previous prime is 1925087. The next prime is 1925117. The reversal of 1925105 is 5015291.

It is not a de Polignac number, because 1925105 - 2⁶ = 1925041 is a prime.

It is a super-2 number, since 2×1925105² = 7412058522050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1661 + ... + 2570.

It is an arithmetic number, because the mean of its divisors is an integer number (177744).

2^1925105 is an apocalyptic number.

It is an amenable number.

1925105 is a deficient number, since it is larger than the sum of its proper divisors (918799).

1925105 is a wasteful number, since it uses less digits than its factorization.

1925105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4256.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 1925105 is about 1387.4815314086. The cubic root of 1925105 is about 124.3993584607.

The spelling of 1925105 in words is "one million, nine hundred twenty-five thousand, one hundred five".