120142415 has 8 divisors (see below), whose sum is σ = 151758960. Its totient is φ = 91055232.

The previous prime is 120142411. The next prime is 120142427. The reversal of 120142415 is 514241021.

It is a happy number.

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 120142415 - 2² = 120142411 is a prime.

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, 632234 + ... + 632423.

It is an arithmetic number, because the mean of its divisors is an integer number (18969870).

Almost surely, 2^120142415 is an apocalyptic number.

120142415 is a deficient number, since it is larger than the sum of its proper divisors (31616545).

120142415 is a wasteful number, since it uses less digits than its factorization.

120142415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264681.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 120142415 is about 10960.9495482828. The cubic root of 120142415 is about 493.4374630551.

Adding to 120142415 its reverse (514241021), we get a palindrome (634383436).

The spelling of 120142415 in words is "one hundred twenty million, one hundred forty-two thousand, four hundred fifteen".