121031242 has 8 divisors (see below), whose sum is σ = 181704132. Its totient is φ = 60463200.

The previous prime is 121031237. The next prime is 121031269. The reversal of 121031242 is 242130121.

It can be written as a sum of positive squares in 2 ways, for example, as 116186841 + 4844401 = 10779^2 + 2201^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23259 + ... + 27982.

Almost surely, 2^121031242 is an apocalyptic number.

121031242 is a deficient number, since it is larger than the sum of its proper divisors (60672890).

121031242 is a wasteful number, since it uses less digits than its factorization.

121031242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52424.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 121031242 is about 11001.4199992546. The cubic root of 121031242 is about 494.6513097151.

Adding to 121031242 its reverse (242130121), we get a palindrome (363161363).

The spelling of 121031242 in words is "one hundred twenty-one million, thirty-one thousand, two hundred forty-two".