124200101 has 2 divisors, whose sum is σ = 124200102. Its totient is φ = 124200100.

The previous prime is 124200077. The next prime is 124200119. The reversal of 124200101 is 101002421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107143201 + 17056900 = 10351^2 + 4130^2 .

It is a cyclic number.

It is not a de Polignac number, because 124200101 - 2²² = 120005797 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124200151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62100050 + 62100051.

It is an arithmetic number, because the mean of its divisors is an integer number (62100051).

Almost surely, 2^124200101 is an apocalyptic number.

It is an amenable number.

124200101 is a deficient number, since it is larger than the sum of its proper divisors (1).

124200101 is an equidigital number, since it uses as much as digits as its factorization.

124200101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 124200101 is about 11144.5099039841. The cubic root of 124200101 is about 498.9311848965.

Adding to 124200101 its reverse (101002421), we get a palindrome (225202522).

The spelling of 124200101 in words is "one hundred twenty-four million, two hundred thousand, one hundred one".