120238791 has 8 divisors (see below), whose sum is σ = 160458864. Its totient is φ = 80088960.

The previous prime is 120238787. The next prime is 120238799. The reversal of 120238791 is 197832021.

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

It is not a de Polignac number, because 120238791 - 2² = 120238787 is a prime.

It is a super-2 number, since 2×120238791² = 28914733722283362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120238799) 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, 13426 + ... + 20511.

It is an arithmetic number, because the mean of its divisors is an integer number (20057358).

Almost surely, 2^120238791 is an apocalyptic number.

120238791 is a deficient number, since it is larger than the sum of its proper divisors (40220073).

120238791 is a wasteful number, since it uses less digits than its factorization.

120238791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35121.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 120238791 is about 10965.3450014124. The cubic root of 120238791 is about 493.5693698940.

It can be divided in two parts, 1202 and 38791, that added together give a palindrome (39993).

The spelling of 120238791 in words is "one hundred twenty million, two hundred thirty-eight thousand, seven hundred ninety-one".