142120124737 has 4 divisors (see below), whose sum is σ = 142971143616. Its totient is φ = 141269105860.

The previous prime is 142120124717. The next prime is 142120124749. The reversal of 142120124737 is 737421021241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 737421021241 = 223019 ⋅3306539.

It is a cyclic number.

It is not a de Polignac number, because 142120124737 - 2³¹ = 139972641089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142120124717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425509189 + ... + 425509522.

It is an arithmetic number, because the mean of its divisors is an integer number (35742785904).

Almost surely, 2^142120124737 is an apocalyptic number.

It is an amenable number.

142120124737 is a deficient number, since it is larger than the sum of its proper divisors (851018879).

142120124737 is an equidigital number, since it uses as much as digits as its factorization.

142120124737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851018878.

The product of its (nonzero) digits is 18816, while the sum is 34.

Adding to 142120124737 its reverse (737421021241), we get a palindrome (879541145978).

The spelling of 142120124737 in words is "one hundred forty-two billion, one hundred twenty million, one hundred twenty-four thousand, seven hundred thirty-seven".