120142461 has 8 divisors (see below), whose sum is σ = 160267744. Its totient is φ = 80056080.

The previous prime is 120142427. The next prime is 120142493. The reversal of 120142461 is 164241021.

It is a happy number.

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

It is not a de Polignac number, because 120142461 - 2⁷ = 120142333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120142411) 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, 1531 + ... + 15576.

It is an arithmetic number, because the mean of its divisors is an integer number (20033468).

Almost surely, 2^120142461 is an apocalyptic number.

It is an amenable number.

120142461 is a deficient number, since it is larger than the sum of its proper divisors (40125283).

120142461 is a wasteful number, since it uses less digits than its factorization.

120142461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19451.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 120142461 is about 10960.9516466409. The cubic root of 120142461 is about 493.4375260307.

Adding to 120142461 its reverse (164241021), we get a palindrome (284383482).

The spelling of 120142461 in words is "one hundred twenty million, one hundred forty-two thousand, four hundred sixty-one".