124002120001 has 8 divisors (see below), whose sum is σ = 131349413160. Its totient is φ = 116660721408.

The previous prime is 124002119999. The next prime is 124002120007. The reversal of 124002120001 is 100021200421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16941625600 + 107060494401 = 130160^2 + 327201^2 .

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 124002120001 - 2¹ = 124002119999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124002120007) 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, 1430286 + ... + 1514503.

It is an arithmetic number, because the mean of its divisors is an integer number (16418676645).

Almost surely, 2^124002120001 is an apocalyptic number.

It is an amenable number.

124002120001 is a deficient number, since it is larger than the sum of its proper divisors (7347293159).

124002120001 is a wasteful number, since it uses less digits than its factorization.

124002120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2947283.

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

Adding to 124002120001 its reverse (100021200421), we get a palindrome (224023320422).

The spelling of 124002120001 in words is "one hundred twenty-four billion, two million, one hundred twenty thousand, one".