121514242 has 8 divisors (see below), whose sum is σ = 186717132. Its totient is φ = 59275200.

The previous prime is 121514233. The next prime is 121514243. The reversal of 121514242 is 242415121.

It can be written as a sum of positive squares in 2 ways, for example, as 107308881 + 14205361 = 10359^2 + 3769^2 .

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

It is a super-2 number, since 2×121514242² = 29531422017669128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121514243) 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, 740859 + ... + 741022.

Almost surely, 2^121514242 is an apocalyptic number.

121514242 is a deficient number, since it is larger than the sum of its proper divisors (65202890).

121514242 is a wasteful number, since it uses less digits than its factorization.

121514242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481924.

The product of its digits is 640, while the sum is 22.

The square root of 121514242 is about 11023.3498538330. The cubic root of 121514242 is about 495.3084388612.

Adding to 121514242 its reverse (242415121), we get a palindrome (363929363).

The spelling of 121514242 in words is "one hundred twenty-one million, five hundred fourteen thousand, two hundred forty-two".