120120362661 has 16 divisors (see below), whose sum is σ = 175734873216. Its totient is φ = 72525500736.

The previous prime is 120120362657. The next prime is 120120362683. The reversal of 120120362661 is 166263021021.

It is not a de Polignac number, because 120120362661 - 2² = 120120362657 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 (120120862661) 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, 29054625 + ... + 29058758.

It is an arithmetic number, because the mean of its divisors is an integer number (10983429576).

Almost surely, 2^120120362661 is an apocalyptic number.

It is an amenable number.

120120362661 is a deficient number, since it is larger than the sum of its proper divisors (55614510555).

120120362661 is a wasteful number, since it uses less digits than its factorization.

120120362661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58113452.

The product of its (nonzero) digits is 5184, while the sum is 30.

Adding to 120120362661 its reverse (166263021021), we get a palindrome (286383383682).

The spelling of 120120362661 in words is "one hundred twenty billion, one hundred twenty million, three hundred sixty-two thousand, six hundred sixty-one".