1901741 has 4 divisors (see below), whose sum is σ = 1914012. Its totient is φ = 1889472.

The previous prime is 1901719. The next prime is 1901749. The reversal of 1901741 is 1471091.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 570025 + 1331716 = 755^2 + 1154^2 .

It is a cyclic number.

It is not a de Polignac number, because 1901741 - 2¹⁸ = 1639597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1901749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5900 + ... + 6213.

It is an arithmetic number, because the mean of its divisors is an integer number (478503).

2^1901741 is an apocalyptic number.

It is an amenable number.

1901741 is a deficient number, since it is larger than the sum of its proper divisors (12271).

1901741 is a wasteful number, since it uses less digits than its factorization.

1901741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12270.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 1901741 is about 1379.0362576814. The cubic root of 1901741 is about 123.8940518880.

The spelling of 1901741 in words is "one million, nine hundred one thousand, seven hundred forty-one".