120142145641 has 16 divisors (see below), whose sum is σ = 142423118464. Its totient is φ = 99206239104.

The previous prime is 120142145639. The next prime is 120142145647. The reversal of 120142145641 is 146541241021.

It is not a de Polignac number, because 120142145641 - 2¹ = 120142145639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120142145647) 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, 2711886 + ... + 2755831.

It is an arithmetic number, because the mean of its divisors is an integer number (8901444904).

Almost surely, 2^120142145641 is an apocalyptic number.

It is an amenable number.

120142145641 is a deficient number, since it is larger than the sum of its proper divisors (22280972823).

120142145641 is an equidigital number, since it uses as much as digits as its factorization.

120142145641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5467840.

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 120142145641 its reverse (146541241021), we get a palindrome (266683386662).

The spelling of 120142145641 in words is "one hundred twenty billion, one hundred forty-two million, one hundred forty-five thousand, six hundred forty-one".