121735614634442 has 4 divisors (see below), whose sum is σ = 182603421951666. Its totient is φ = 60867807317220.

The previous prime is 121735614634367. The next prime is 121735614634451. The reversal of 121735614634442 is 244436416537121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 121291697589001 + 443917045441 = 11013251^2 + 666271^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30433903658609 + ... + 30433903658612.

Almost surely, 2^{121735614634442} is an apocalyptic number.

121735614634442 is a deficient number, since it is larger than the sum of its proper divisors (60867807317224).

121735614634442 is an equidigital number, since it uses as much as digits as its factorization.

121735614634442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60867807317223.

The product of its digits is 11612160, while the sum is 53.

The spelling of 121735614634442 in words is "one hundred twenty-one trillion, seven hundred thirty-five billion, six hundred fourteen million, six hundred thirty-four thousand, four hundred forty-two".