1975105 has 8 divisors (see below), whose sum is σ = 2585664. Its totient is φ = 1436400.

The previous prime is 1975091. The next prime is 1975117. The reversal of 1975105 is 5015791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1975105 - 2⁵ = 1975073 is a prime.

It is a super-2 number, since 2×1975105² = 7802079522050, which contains 22 as substring.

It is a Duffinian number.

1975105 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17901 + ... + 18010.

It is an arithmetic number, because the mean of its divisors is an integer number (323208).

2^1975105 is an apocalyptic number.

It is an amenable number.

1975105 is a deficient number, since it is larger than the sum of its proper divisors (610559).

1975105 is a wasteful number, since it uses less digits than its factorization.

1975105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35927.

The product of its (nonzero) digits is 1575, while the sum is 28.

The square root of 1975105 is about 1405.3842890825. The cubic root of 1975105 is about 125.4671585945.

It can be divided in two parts, 1975 and 105, that added together give a triangular number (2080 = T₆₄).

The spelling of 1975105 in words is "one million, nine hundred seventy-five thousand, one hundred five".