1541421 has 24 divisors (see below), whose sum is σ = 2608320. Its totient is φ = 858816.

The previous prime is 1541389. The next prime is 1541429. The reversal of 1541421 is 1241451.

It is not a de Polignac number, because 1541421 - 2⁵ = 1541389 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1541394 and 1541403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1541429) 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 23 ways as a sum of consecutive naturals, for example, 2425 + ... + 2993.

It is an arithmetic number, because the mean of its divisors is an integer number (108680).

2^1541421 is an apocalyptic number.

It is an amenable number.

1541421 is a deficient number, since it is larger than the sum of its proper divisors (1066899).

1541421 is a wasteful number, since it uses less digits than its factorization.

1541421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625 (or 622 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 1541421 is about 1241.5397698020. The cubic root of 1541421 is about 115.5155429693.

Adding to 1541421 its reverse (1241451), we get a palindrome (2782872).

The spelling of 1541421 in words is "one million, five hundred forty-one thousand, four hundred twenty-one".