120263249751 has 8 divisors (see below), whose sum is σ = 160605124224. Its totient is φ = 80048437560.

The previous prime is 120263249747. The next prime is 120263249761. The reversal of 120263249751 is 157942362021.

It is a happy number.

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

It is not a de Polignac number, because 120263249751 - 2² = 120263249747 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120263249761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31763361 + ... + 31767146.

It is an arithmetic number, because the mean of its divisors is an integer number (20075640528).

Almost surely, 2^120263249751 is an apocalyptic number.

120263249751 is a deficient number, since it is larger than the sum of its proper divisors (40341874473).

120263249751 is an equidigital number, since it uses as much as digits as its factorization.

120263249751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63531141.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 120263249751 in words is "one hundred twenty billion, two hundred sixty-three million, two hundred forty-nine thousand, seven hundred fifty-one".