122270142 has 8 divisors (see below), whose sum is σ = 244540296. Its totient is φ = 40756712.

The previous prime is 122270131. The next prime is 122270143. The reversal of 122270142 is 241072221.

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

122270142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122270143) 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, 10189173 + ... + 10189184.

It is an arithmetic number, because the mean of its divisors is an integer number (30567537).

Almost surely, 2^122270142 is an apocalyptic number.

122270142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122270142 is a wasteful number, since it uses less digits than its factorization.

122270142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20378362.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 122270142 is about 11057.5830089582. The cubic root of 122270142 is about 496.3333666598. Note that the first 4 decimals are identical.

The spelling of 122270142 in words is "one hundred twenty-two million, two hundred seventy thousand, one hundred forty-two".