121067730 has 96 divisors (see below), whose sum is σ = 375598080. Its totient is φ = 27669600.

The previous prime is 121067707. The next prime is 121067731. The reversal of 121067730 is 37760121.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 121067694 and 121067703.

It is not an unprimeable number, because it can be changed into a prime (121067731) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8655 + ... + 17805.

It is an arithmetic number, because the mean of its divisors is an integer number (3912480).

Almost surely, 2^121067730 is an apocalyptic number.

121067730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121067730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187799040).

121067730 is an abundant number, since it is smaller than the sum of its proper divisors (254530350).

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

121067730 is a wasteful number, since it uses less digits than its factorization.

121067730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9181 (or 9168 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 121067730 is about 11003.0782056659. The cubic root of 121067730 is about 494.7010132000.

The spelling of 121067730 in words is "one hundred twenty-one million, sixty-seven thousand, seven hundred thirty".