1901035 has 4 divisors (see below), whose sum is σ = 2281248. Its totient is φ = 1520824.

The previous prime is 1901033. The next prime is 1901087. The reversal of 1901035 is 5301091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5301091 = 59 ⋅89849.

It is a cyclic number.

It is not a de Polignac number, because 1901035 - 2¹ = 1901033 is a prime.

It is a super-2 number, since 2×1901035² = 7227868142450, which contains 22 as substring.

It is a Duffinian 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190099 + ... + 190108.

It is an arithmetic number, because the mean of its divisors is an integer number (570312).

2^1901035 is an apocalyptic number.

1901035 is a deficient number, since it is larger than the sum of its proper divisors (380213).

1901035 is an equidigital number, since it uses as much as digits as its factorization.

1901035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380212.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 1901035 is about 1378.7802580542. The cubic root of 1901035 is about 123.8787185650.

It can be divided in two parts, 190 and 1035, that added together give a triangular number (1225 = T₄₉).

The spelling of 1901035 in words is "one million, nine hundred one thousand, thirty-five".