1301541 has 4 divisors (see below), whose sum is σ = 1735392. Its totient is φ = 867692.

The previous prime is 1301539. The next prime is 1301543. The reversal of 1301541 is 1451031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1301539) and next prime (1301543).

It is a cyclic number.

It is not a de Polignac number, because 1301541 - 2¹ = 1301539 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 1301541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301543) 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, 216921 + ... + 216926.

It is an arithmetic number, because the mean of its divisors is an integer number (433848).

2^1301541 is an apocalyptic number.

It is an amenable number.

1301541 is a deficient number, since it is larger than the sum of its proper divisors (433851).

1301541 is an equidigital number, since it uses as much as digits as its factorization.

1301541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433850.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1301541 is about 1140.8509981588. The cubic root of 1301541 is about 109.1823952889.

Adding to 1301541 its reverse (1451031), we get a palindrome (2752572).

The spelling of 1301541 in words is "one million, three hundred one thousand, five hundred forty-one".