121233442 has 8 divisors (see below), whose sum is σ = 198382032. Its totient is φ = 55106100.

The previous prime is 121233421. The next prime is 121233449. The reversal of 121233442 is 244332121.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 5510611 = 121233442 / (1 + 2 + 1 + 2 + 3 + 3 + 4 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (121233449) 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, 2755284 + ... + 2755327.

It is an arithmetic number, because the mean of its divisors is an integer number (24797754).

Almost surely, 2^121233442 is an apocalyptic number.

121233442 is a deficient number, since it is larger than the sum of its proper divisors (77148590).

121233442 is a wasteful number, since it uses less digits than its factorization.

121233442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5510624.

The product of its digits is 1152, while the sum is 22.

The square root of 121233442 is about 11010.6058870527. The cubic root of 121233442 is about 494.9266183775.

Adding to 121233442 its reverse (244332121), we get a palindrome (365565563).

The spelling of 121233442 in words is "one hundred twenty-one million, two hundred thirty-three thousand, four hundred forty-two".