124220126 has 4 divisors (see below), whose sum is σ = 186330192. Its totient is φ = 62110062.

The previous prime is 124220113. The next prime is 124220177. The reversal of 124220126 is 621022421.

It is a happy number.

124220126 is nontrivially palindromic in base 6.

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

It is a junction number, because it is equal to n+sod(n) for n = 124220098 and 124220107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31055030 + ... + 31055033.

It is an arithmetic number, because the mean of its divisors is an integer number (46582548).

Almost surely, 2^124220126 is an apocalyptic number.

124220126 is a deficient number, since it is larger than the sum of its proper divisors (62110066).

124220126 is an equidigital number, since it uses as much as digits as its factorization.

124220126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62110065.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 124220126 is about 11145.4082922072. The cubic root of 124220126 is about 498.9579979720.

Adding to 124220126 its reverse (621022421), we get a palindrome (745242547).

The spelling of 124220126 in words is "one hundred twenty-four million, two hundred twenty thousand, one hundred twenty-six".