1241542 has 4 divisors (see below), whose sum is σ = 1862316. Its totient is φ = 620770.

The previous prime is 1241509. The next prime is 1241549. The reversal of 1241542 is 2451421.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241549) 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 as a sum of consecutive naturals, namely, 310384 + ... + 310387.

It is an arithmetic number, because the mean of its divisors is an integer number (465579).

2^1241542 is an apocalyptic number.

1241542 is a deficient number, since it is larger than the sum of its proper divisors (620774).

1241542 is an equidigital number, since it uses as much as digits as its factorization.

1241542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620773.

The product of its digits is 320, while the sum is 19.

The square root of 1241542 is about 1114.2450358875. The cubic root of 1241542 is about 107.4782216564.

Adding to 1241542 its reverse (2451421), we get a palindrome (3692963).

The spelling of 1241542 in words is "one million, two hundred forty-one thousand, five hundred forty-two".