121461750 has 96 divisors (see below), whose sum is σ = 337540320. Its totient is φ = 31492800.

The previous prime is 121461733. The next prime is 121461757. The reversal of 121461750 is 57164121.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121461757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82521 + ... + 83979.

It is an arithmetic number, because the mean of its divisors is an integer number (3516045).

Almost surely, 2^121461750 is an apocalyptic number.

121461750 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 121461750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168770160).

121461750 is an abundant number, since it is smaller than the sum of its proper divisors (216078570).

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

121461750 is a wasteful number, since it uses less digits than its factorization.

121461750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519 (or 1506 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 121461750 is about 11020.9686507131. The cubic root of 121461750 is about 495.2371070983.

The spelling of 121461750 in words is "one hundred twenty-one million, four hundred sixty-one thousand, seven hundred fifty".