1901073 has 8 divisors (see below), whose sum is σ = 2593888. Its totient is φ = 1237824.

The previous prime is 1901033. The next prime is 1901087. The reversal of 1901073 is 3701091.

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

It is not a de Polignac number, because 1901073 - 2¹⁰ = 1900049 is a prime.

It is a super-2 number, since 2×1901073² = 7228157102658, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

1901073 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1901033) 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, 7240 + ... + 7497.

It is an arithmetic number, because the mean of its divisors is an integer number (324236).

2^1901073 is an apocalyptic number.

It is an amenable number.

1901073 is a deficient number, since it is larger than the sum of its proper divisors (692815).

1901073 is a wasteful number, since it uses less digits than its factorization.

1901073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14783.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 1901073 is about 1378.7940382813. The cubic root of 1901073 is about 123.8795439680.

The spelling of 1901073 in words is "one million, nine hundred one thousand, seventy-three".