61242 has 16 divisors (see below), whose sum is σ = 125280. Its totient is φ = 19952.

The previous prime is 61231. The next prime is 61253. The reversal of 61242 is 24216.

It is an interprime number because it is at equal distance from previous prime (61231) and next prime (61253).

It is an unprimeable number.

61242 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 268 + ... + 440.

It is an arithmetic number, because the mean of its divisors is an integer number (7830).

2⁶¹²⁴² is an apocalyptic number.

61242 is an abundant number, since it is smaller than the sum of its proper divisors (64038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62640).

61242 is a wasteful number, since it uses less digits than its factorization.

61242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237.

The product of its digits is 96, while the sum is 15.

The square root of 61242 is about 247.4712104468. The cubic root of 61242 is about 39.4169595536.

Adding to 61242 its reverse (24216), we get a palindrome (85458).

It can be divided in two parts, 61 and 242, that added together give a palindrome (303).

The spelling of 61242 in words is "sixty-one thousand, two hundred forty-two".