122020142 has 8 divisors (see below), whose sum is σ = 186132600. Its totient is φ = 59975944.

The previous prime is 122020133. The next prime is 122020153. The reversal of 122020142 is 241020221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516917 + ... + 517152.

It is an arithmetic number, because the mean of its divisors is an integer number (23266575).

Almost surely, 2^122020142 is an apocalyptic number.

122020142 is a deficient number, since it is larger than the sum of its proper divisors (64112458).

122020142 is a wasteful number, since it uses less digits than its factorization.

122020142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034130.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 122020142 is about 11046.2727650552. The cubic root of 122020142 is about 495.9948593597.

Adding to 122020142 its reverse (241020221), we get a palindrome (363040363).

The spelling of 122020142 in words is "one hundred twenty-two million, twenty thousand, one hundred forty-two".