120137243 has 8 divisors (see below), whose sum is σ = 123298656. Its totient is φ = 117014400.

The previous prime is 120137233. The next prime is 120137267. The reversal of 120137243 is 342731021.

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 120137243 - 2¹⁴ = 120120859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120137233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3278 + ... + 15843.

It is an arithmetic number, because the mean of its divisors is an integer number (15412332).

Almost surely, 2^120137243 is an apocalyptic number.

120137243 is a deficient number, since it is larger than the sum of its proper divisors (3161413).

120137243 is a wasteful number, since it uses less digits than its factorization.

120137243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19285.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 120137243 is about 10960.7136172788. The cubic root of 120137243 is about 493.4303823052.

Adding to 120137243 its reverse (342731021), we get a palindrome (462868264).

The spelling of 120137243 in words is "one hundred twenty million, one hundred thirty-seven thousand, two hundred forty-three".