124020011 has 8 divisors (see below), whose sum is σ = 132121920. Its totient is φ = 116075592.

The previous prime is 124020007. The next prime is 124020019. The reversal of 124020011 is 110020421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124020011 - 2² = 124020007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124019974 and 124020001.

It is not an unprimeable number, because it can be changed into a prime (124020019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37745 + ... + 40898.

It is an arithmetic number, because the mean of its divisors is an integer number (16515240).

Almost surely, 2^124020011 is an apocalyptic number.

124020011 is a deficient number, since it is larger than the sum of its proper divisors (8101909).

124020011 is an equidigital number, since it uses as much as digits as its factorization.

124020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78745.

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

The square root of 124020011 is about 11136.4272098371. The cubic root of 124020011 is about 498.6899183703.

Adding to 124020011 its reverse (110020421), we get a palindrome (234040432).

The spelling of 124020011 in words is "one hundred twenty-four million, twenty thousand, eleven".