142115122 has 8 divisors (see below), whose sum is σ = 217708416. Its totient is φ = 69545652.

The previous prime is 142115093. The next prime is 142115123. The reversal of 142115122 is 221511241.

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

It is a self number, because there is not a number n which added to its sum of digits gives 142115122.

It is not an unprimeable number, because it can be changed into a prime (142115123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755838 + ... + 756025.

It is an arithmetic number, because the mean of its divisors is an integer number (27213552).

Almost surely, 2^142115122 is an apocalyptic number.

142115122 is a deficient number, since it is larger than the sum of its proper divisors (75593294).

142115122 is a wasteful number, since it uses less digits than its factorization.

142115122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511912.

The product of its digits is 160, while the sum is 19.

The square root of 142115122 is about 11921.2047210003. The cubic root of 142115122 is about 521.8512932542.

Adding to 142115122 its reverse (221511241), we get a palindrome (363626363).

The spelling of 142115122 in words is "one hundred forty-two million, one hundred fifteen thousand, one hundred twenty-two".