100122356 has 6 divisors (see below), whose sum is σ = 175214130. Its totient is φ = 50061176.

The previous prime is 100122349. The next prime is 100122359. The reversal of 100122356 is 653221001.

It can be written as a sum of positive squares in only one way, i.e., 89946256 + 10176100 = 9484^2 + 3190^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12515291 + ... + 12515298.

It is an arithmetic number, because the mean of its divisors is an integer number (29202355).

Almost surely, 2^100122356 is an apocalyptic number.

It is an amenable number.

100122356 is a deficient number, since it is larger than the sum of its proper divisors (75091774).

100122356 is a wasteful number, since it uses less digits than its factorization.

100122356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25030593 (or 25030591 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 100122356 is about 10006.1159297702. The cubic root of 100122356 is about 464.3481149513.

Adding to 100122356 its reverse (653221001), we get a palindrome (753343357).

The spelling of 100122356 in words is "one hundred million, one hundred twenty-two thousand, three hundred fifty-six".