120001102456 has 8 divisors (see below), whose sum is σ = 225002067120. Its totient is φ = 60000551224.

The previous prime is 120001102453. The next prime is 120001102471. The reversal of 120001102456 is 654201100021.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001102453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7500068896 + ... + 7500068911.

It is an arithmetic number, because the mean of its divisors is an integer number (28125258390).

Almost surely, 2^120001102456 is an apocalyptic number.

It is an amenable number.

120001102456 is a deficient number, since it is larger than the sum of its proper divisors (105000964664).

120001102456 is a wasteful number, since it uses less digits than its factorization.

120001102456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15000137813 (or 15000137809 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 120001102456 its reverse (654201100021), we get a palindrome (774202202477).

The spelling of 120001102456 in words is "one hundred twenty billion, one million, one hundred two thousand, four hundred fifty-six".