122145342 has 16 divisors (see below), whose sum is σ = 266499072. Its totient is φ = 37013720.

The previous prime is 122145329. The next prime is 122145349. The reversal of 122145342 is 243541221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122145349) 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, 925278 + ... + 925409.

It is an arithmetic number, because the mean of its divisors is an integer number (16656192).

Almost surely, 2^122145342 is an apocalyptic number.

122145342 is an abundant number, since it is smaller than the sum of its proper divisors (144353730).

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

122145342 is a wasteful number, since it uses less digits than its factorization.

122145342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850703.

The product of its digits is 1920, while the sum is 24.

The square root of 122145342 is about 11051.9383820215. The cubic root of 122145342 is about 496.1644415519.

Adding to 122145342 its reverse (243541221), we get a palindrome (365686563).

The spelling of 122145342 in words is "one hundred twenty-two million, one hundred forty-five thousand, three hundred forty-two".