121106730 has 64 divisors (see below), whose sum is σ = 305399808. Its totient is φ = 30676800.

The previous prime is 121106729. The next prime is 121106761. The reversal of 121106730 is 37601121.

It is a junction number, because it is equal to n+sod(n) for n = 121106697 and 121106706.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114705 + ... + 115755.

It is an arithmetic number, because the mean of its divisors is an integer number (4771872).

Almost surely, 2^121106730 is an apocalyptic number.

121106730 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 121106730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152699904).

121106730 is an abundant number, since it is smaller than the sum of its proper divisors (184293078).

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

121106730 is a wasteful number, since it uses less digits than its factorization.

121106730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 121106730 is about 11004.8502943021. The cubic root of 121106730 is about 494.7541274587.

Adding to 121106730 its reverse (37601121), we get a palindrome (158707851).

The spelling of 121106730 in words is "one hundred twenty-one million, one hundred six thousand, seven hundred thirty".