1980242 has 8 divisors (see below), whose sum is σ = 3240432. Its totient is φ = 900100.

The previous prime is 1980233. The next prime is 1980247. The reversal of 1980242 is 2420891.

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

1980242 is a modest number, since divided by 242 gives 198 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1980247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44984 + ... + 45027.

It is an arithmetic number, because the mean of its divisors is an integer number (405054).

2^1980242 is an apocalyptic number.

1980242 is a deficient number, since it is larger than the sum of its proper divisors (1260190).

1980242 is a wasteful number, since it uses less digits than its factorization.

1980242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90024.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1980242 is about 1407.2107162753. The cubic root of 1980242 is about 125.5758392003.

It can be divided in two parts, 1980 and 242, that added together give a palindrome (2222).

The spelling of 1980242 in words is "one million, nine hundred eighty thousand, two hundred forty-two".