120142293 has 16 divisors (see below), whose sum is σ = 168026880. Its totient is φ = 76268736.

The previous prime is 120142291. The next prime is 120142313. The reversal of 120142293 is 392241021.

It is not a de Polignac number, because 120142293 - 2¹ = 120142291 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120142291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6298 + ... + 16731.

It is an arithmetic number, because the mean of its divisors is an integer number (10501680).

Almost surely, 2^120142293 is an apocalyptic number.

It is an amenable number.

120142293 is a deficient number, since it is larger than the sum of its proper divisors (47884587).

120142293 is a wasteful number, since it uses less digits than its factorization.

120142293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23116.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 120142293 is about 10960.9439830701. The cubic root of 120142293 is about 493.4372960328.

The spelling of 120142293 in words is "one hundred twenty million, one hundred forty-two thousand, two hundred ninety-three".