101340242 has 4 divisors (see below), whose sum is σ = 152010366. Its totient is φ = 50670120.

The previous prime is 101340199. The next prime is 101340251. The reversal of 101340242 is 242043101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242043101 = 163 ⋅1484927.

It can be written as a sum of positive squares in only one way, i.e., 79727041 + 21613201 = 8929^2 + 4649^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101340242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25335059 + ... + 25335062.

Almost surely, 2^101340242 is an apocalyptic number.

101340242 is a deficient number, since it is larger than the sum of its proper divisors (50670124).

101340242 is an equidigital number, since it uses as much as digits as its factorization.

101340242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50670123.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 101340242 is about 10066.7890610661. The cubic root of 101340242 is about 466.2233053308.

Adding to 101340242 its reverse (242043101), we get a palindrome (343383343).

The spelling of 101340242 in words is "one hundred one million, three hundred forty thousand, two hundred forty-two".