121066678080 has 448 divisors, whose sum is σ = 436313640960. Its totient is φ = 31594752000.

The previous prime is 121066678079. The next prime is 121066678091. The reversal of 121066678080 is 80876660121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 92628787 + ... + 92630093.

Almost surely, 2^121066678080 is an apocalyptic number.

121066678080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121066678080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218156820480).

121066678080 is an abundant number, since it is smaller than the sum of its proper divisors (315246962880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121066678080 is a wasteful number, since it uses less digits than its factorization.

121066678080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 121066678080 in words is "one hundred twenty-one billion, sixty-six million, six hundred seventy-eight thousand, eighty".