120142237 has 2 divisors, whose sum is σ = 120142238. Its totient is φ = 120142236.

The previous prime is 120142201. The next prime is 120142249. The reversal of 120142237 is 732241021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106936281 + 13205956 = 10341^2 + 3634^2 .

It is a cyclic number.

It is not a de Polignac number, because 120142237 - 2⁷ = 120142109 is a prime.

It is a super-2 number, since 2×120142237² = 28868314222728338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120142277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60071118 + 60071119.

It is an arithmetic number, because the mean of its divisors is an integer number (60071119).

Almost surely, 2^120142237 is an apocalyptic number.

It is an amenable number.

120142237 is a deficient number, since it is larger than the sum of its proper divisors (1).

120142237 is an equidigital number, since it uses as much as digits as its factorization.

120142237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 120142237 is about 10960.9414285453. The cubic root of 120142237 is about 493.4372193668.

Adding to 120142237 its reverse (732241021), we get a palindrome (852383258).

The spelling of 120142237 in words is "one hundred twenty million, one hundred forty-two thousand, two hundred thirty-seven".