121434512 has 10 divisors (see below), whose sum is σ = 235279398. Its totient is φ = 60717248.

The previous prime is 121434499. The next prime is 121434517. The reversal of 121434512 is 215434121.

It can be written as a sum of positive squares in only one way, i.e., 75411856 + 46022656 = 8684^2 + 6784^2 .

It is not an unprimeable number, because it can be changed into a prime (121434517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3794813 + ... + 3794844.

Almost surely, 2^121434512 is an apocalyptic number.

It is an amenable number.

121434512 is a deficient number, since it is larger than the sum of its proper divisors (113844886).

121434512 is an equidigital number, since it uses as much as digits as its factorization.

121434512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7589665 (or 7589659 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 121434512 is about 11019.7328461265. The cubic root of 121434512 is about 495.2000850817.

Adding to 121434512 its reverse (215434121), we get a palindrome (336868633).

The spelling of 121434512 in words is "one hundred twenty-one million, four hundred thirty-four thousand, five hundred twelve".