121501044350126 has 16 divisors (see below), whose sum is σ = 208317426833760. Its totient is φ = 52064395591680.

The previous prime is 121501044350087. The next prime is 121501044350137. The reversal of 121501044350126 is 621053440105121.

It is a happy number.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 623278931 + ... + 623473838.

It is an arithmetic number, because the mean of its divisors is an integer number (13019839177110).

Almost surely, 2^{121501044350126} is an apocalyptic number.

121501044350126 is a deficient number, since it is larger than the sum of its proper divisors (86816382483634).

121501044350126 is a wasteful number, since it uses less digits than its factorization.

121501044350126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246759739.

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 121501044350126 its reverse (621053440105121), we get a palindrome (742554484455247).

The spelling of 121501044350126 in words is "one hundred twenty-one trillion, five hundred one billion, forty-four million, three hundred fifty thousand, one hundred twenty-six".