121733250 has 64 divisors (see below), whose sum is σ = 317101824. Its totient is φ = 31046400.

The previous prime is 121733237. The next prime is 121733251. The reversal of 121733250 is 52337121.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121733250.

It is not an unprimeable number, because it can be changed into a prime (121733251) 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, 13722 + ... + 20778.

It is an arithmetic number, because the mean of its divisors is an integer number (4954716).

Almost surely, 2^121733250 is an apocalyptic number.

121733250 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 121733250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158550912).

121733250 is an abundant number, since it is smaller than the sum of its proper divisors (195368574).

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

121733250 is a wasteful number, since it uses less digits than its factorization.

121733250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7100 (or 7090 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 121733250 is about 11033.2792042982. The cubic root of 121733250 is about 495.6058289834.

The spelling of 121733250 in words is "one hundred twenty-one million, seven hundred thirty-three thousand, two hundred fifty".