121232238 has 16 divisors (see below), whose sum is σ = 250825680. Its totient is φ = 39017216.

The previous prime is 121232231. The next prime is 121232261. The reversal of 121232238 is 832232121.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121232231) 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, 348195 + ... + 348542.

It is an arithmetic number, because the mean of its divisors is an integer number (15676605).

Almost surely, 2^121232238 is an apocalyptic number.

121232238 is an abundant number, since it is smaller than the sum of its proper divisors (129593442).

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

121232238 is a wasteful number, since it uses less digits than its factorization.

121232238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696771.

The product of its digits is 1152, while the sum is 24.

The square root of 121232238 is about 11010.5512123599. The cubic root of 121232238 is about 494.9249799583.

Adding to 121232238 its reverse (832232121), we get a palindrome (953464359).

The spelling of 121232238 in words is "one hundred twenty-one million, two hundred thirty-two thousand, two hundred thirty-eight".