121514730 has 64 divisors (see below), whose sum is σ = 303049728. Its totient is φ = 31150080.

The previous prime is 121514677. The next prime is 121514737. The reversal of 121514730 is 37415121.

It is a self number, because there is not a number n which added to its sum of digits gives 121514730.

It is not an unprimeable number, because it can be changed into a prime (121514737) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179152 + ... + 179828.

It is an arithmetic number, because the mean of its divisors is an integer number (4735152).

Almost surely, 2^121514730 is an apocalyptic number.

121514730 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 121514730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151524864).

121514730 is an abundant number, since it is smaller than the sum of its proper divisors (181534998).

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

121514730 is a wasteful number, since it uses less digits than its factorization.

121514730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 121514730 is about 11023.3719886430. The cubic root of 121514730 is about 495.3091019116.

Adding to 121514730 its reverse (37415121), we get a palindrome (158929851).

The spelling of 121514730 in words is "one hundred twenty-one million, five hundred fourteen thousand, seven hundred thirty".