106940242 has 4 divisors (see below), whose sum is σ = 160410366. Its totient is φ = 53470120.

The previous prime is 106940237. The next prime is 106940257. The reversal of 106940242 is 242049601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242049601 = 79 ⋅3063919.

It can be written as a sum of positive squares in only one way, i.e., 106729561 + 210681 = 10331^2 + 459^2 .

It is a super-2 number, since 2×106940242² = 22872430718037128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106940242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26735059 + ... + 26735062.

Almost surely, 2^106940242 is an apocalyptic number.

106940242 is a deficient number, since it is larger than the sum of its proper divisors (53470124).

106940242 is an equidigital number, since it uses as much as digits as its factorization.

106940242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53470123.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 106940242 is about 10341.1915174220. The cubic root of 106940242 is about 474.6575437436.

Adding to 106940242 its reverse (242049601), we get a palindrome (348989843).

The spelling of 106940242 in words is "one hundred six million, nine hundred forty thousand, two hundred forty-two".