101240122 has 4 divisors (see below), whose sum is σ = 151860186. Its totient is φ = 50620060.

The previous prime is 101240099. The next prime is 101240143. The reversal of 101240122 is 221042101.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 64625521 + 36614601 = 8039^2 + 6051^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25310029 + ... + 25310032.

Almost surely, 2^101240122 is an apocalyptic number.

101240122 is a deficient number, since it is larger than the sum of its proper divisors (50620064).

101240122 is an equidigital number, since it uses as much as digits as its factorization.

101240122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50620063.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 101240122 is about 10061.8150450105. The cubic root of 101240122 is about 466.0697182433.

Adding to 101240122 its reverse (221042101), we get a palindrome (322282223).

The spelling of 101240122 in words is "one hundred one million, two hundred forty thousand, one hundred twenty-two".