121402024546 has 16 divisors (see below), whose sum is σ = 198663373440. Its totient is φ = 55181206480.

The previous prime is 121402024529. The next prime is 121402024559. The reversal of 121402024546 is 645420204121.

It is a super-3 number, since 3×121402024546³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1226535 + ... + 1321813.

It is an arithmetic number, because the mean of its divisors is an integer number (12416460840).

Almost surely, 2^121402024546 is an apocalyptic number.

121402024546 is a deficient number, since it is larger than the sum of its proper divisors (77261348894).

121402024546 is a wasteful number, since it uses less digits than its factorization.

121402024546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153209.

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

Adding to 121402024546 its reverse (645420204121), we get a palindrome (766822228667).

The spelling of 121402024546 in words is "one hundred twenty-one billion, four hundred two million, twenty-four thousand, five hundred forty-six".