121420434514 has 8 divisors (see below), whose sum is σ = 182932990128. Its totient is φ = 60442771140.

The previous prime is 121420434503. The next prime is 121420434523. The reversal of 121420434514 is 415434024121.

It is a happy number.

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, 133722492 + ... + 133723399.

It is an arithmetic number, because the mean of its divisors is an integer number (22866623766).

Almost surely, 2^121420434514 is an apocalyptic number.

121420434514 is a deficient number, since it is larger than the sum of its proper divisors (61512555614).

121420434514 is a wasteful number, since it uses less digits than its factorization.

121420434514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267446120.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 121420434514 its reverse (415434024121), we get a palindrome (536854458635).

The spelling of 121420434514 in words is "one hundred twenty-one billion, four hundred twenty million, four hundred thirty-four thousand, five hundred fourteen".