120249424281599 has 4 divisors (see below), whose sum is σ = 120612715593960. Its totient is φ = 119886132969240.

The previous prime is 120249424281577. The next prime is 120249424281611. The reversal of 120249424281599 is 995182424942021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120249424281599 is a prime.

It is a super-2 number, since 2×120249424281599² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120249424281509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181645655684 + ... + 181645656345.

It is an arithmetic number, because the mean of its divisors is an integer number (30153178898490).

Almost surely, 2^{120249424281599} is an apocalyptic number.

120249424281599 is a deficient number, since it is larger than the sum of its proper divisors (363291312361).

120249424281599 is an equidigital number, since it uses as much as digits as its factorization.

120249424281599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363291312360.

The product of its (nonzero) digits is 29859840, while the sum is 62.

The spelling of 120249424281599 in words is "one hundred twenty trillion, two hundred forty-nine billion, four hundred twenty-four million, two hundred eighty-one thousand, five hundred ninety-nine".