1229541 has 8 divisors (see below), whose sum is σ = 1647360. Its totient is φ = 815712.

The previous prime is 1229531. The next prime is 1229561. The reversal of 1229541 is 1459221.

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

It is not a de Polignac number, because 1229541 - 2¹⁵ = 1196773 is a prime.

1229541 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181 + ... + 1578.

It is an arithmetic number, because the mean of its divisors is an integer number (205920).

2^1229541 is an apocalyptic number.

It is an amenable number.

1229541 is a deficient number, since it is larger than the sum of its proper divisors (417819).

1229541 is a wasteful number, since it uses less digits than its factorization.

1229541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995.

The product of its digits is 720, while the sum is 24.

The square root of 1229541 is about 1108.8466981508. The cubic root of 1229541 is about 107.1307976268.

It can be divided in two parts, 1229 and 541, that added together give a triangular number (1770 = T₅₉).

The spelling of 1229541 in words is "one million, two hundred twenty-nine thousand, five hundred forty-one".