120142423291 has 8 divisors (see below), whose sum is σ = 132096466944. Its totient is φ = 108360380520.

The previous prime is 120142423279. The next prime is 120142423301. The reversal of 120142423291 is 192324241021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120142423291 - 2⁹ = 120142422779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120142423211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42998755 + ... + 43001548.

It is an arithmetic number, because the mean of its divisors is an integer number (16512058368).

Almost surely, 2^120142423291 is an apocalyptic number.

120142423291 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120142423291 is a deficient number, since it is larger than the sum of its proper divisors (11954043653).

120142423291 is a wasteful number, since it uses less digits than its factorization.

120142423291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86000441.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 120142423291 in words is "one hundred twenty billion, one hundred forty-two million, four hundred twenty-three thousand, two hundred ninety-one".