121236342 has 32 divisors (see below), whose sum is σ = 245721600. Its totient is φ = 39874848.

The previous prime is 121236331. The next prime is 121236347. The reversal of 121236342 is 243632121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121236347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168259 + ... + 168977.

It is an arithmetic number, because the mean of its divisors is an integer number (7678800).

Almost surely, 2^121236342 is an apocalyptic number.

121236342 is an abundant number, since it is smaller than the sum of its proper divisors (124485258).

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

121236342 is a wasteful number, since it uses less digits than its factorization.

121236342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060.

The product of its digits is 1728, while the sum is 24.

The square root of 121236342 is about 11010.7375774741. The cubic root of 121236342 is about 494.9305646917.

Adding to 121236342 its reverse (243632121), we get a palindrome (364868463).

The spelling of 121236342 in words is "one hundred twenty-one million, two hundred thirty-six thousand, three hundred forty-two".