1901065 has 16 divisors (see below), whose sum is σ = 2428416. Its totient is φ = 1425600.

The previous prime is 1901033. The next prime is 1901087. The reversal of 1901065 is 5601091.

It is not a de Polignac number, because 1901065 - 2⁵ = 1901033 is a prime.

It is a super-2 number, since 2×1901065² = 7228096268450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6880 + ... + 7150.

It is an arithmetic number, because the mean of its divisors is an integer number (151776).

2^1901065 is an apocalyptic number.

It is an amenable number.

1901065 is a deficient number, since it is larger than the sum of its proper divisors (527351).

1901065 is a wasteful number, since it uses less digits than its factorization.

1901065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 1901065 is about 1378.7911371923. The cubic root of 1901065 is about 123.8793701999.

The spelling of 1901065 in words is "one million, nine hundred one thousand, sixty-five".