115121442 has 8 divisors (see below), whose sum is σ = 230242896. Its totient is φ = 38373812.

The previous prime is 115121431. The next prime is 115121453. The reversal of 115121442 is 244121511.

It is an interprime number because it is at equal distance from previous prime (115121431) and next prime (115121453).

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

115121442 is an admirable number.

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, 9593448 + ... + 9593459.

It is an arithmetic number, because the mean of its divisors is an integer number (28780362).

Almost surely, 2^115121442 is an apocalyptic number.

115121442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

115121442 is a wasteful number, since it uses less digits than its factorization.

115121442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19186912.

The product of its digits is 320, while the sum is 21.

The square root of 115121442 is about 10729.4660631366. The cubic root of 115121442 is about 486.4655313415.

Adding to 115121442 its reverse (244121511), we get a palindrome (359242953).

The spelling of 115121442 in words is "one hundred fifteen million, one hundred twenty-one thousand, four hundred forty-two".