121416434 has 12 divisors (see below), whose sum is σ = 186464286. Its totient is φ = 59294592.

The previous prime is 121416377. The next prime is 121416437. The reversal of 121416434 is 434614121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 96963409 + 24453025 = 9847^2 + 4945^2 .

It is not an unprimeable number, because it can be changed into a prime (121416437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12719 + ... + 20114.

Almost surely, 2^121416434 is an apocalyptic number.

121416434 is a deficient number, since it is larger than the sum of its proper divisors (65047852).

121416434 is an equidigital number, since it uses as much as digits as its factorization.

121416434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32921 (or 32878 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 121416434 is about 11018.9125597765. The cubic root of 121416434 is about 495.1755103232.

The spelling of 121416434 in words is "one hundred twenty-one million, four hundred sixteen thousand, four hundred thirty-four".