121750575 has 24 divisors (see below), whose sum is σ = 211891200. Its totient is φ = 61515360.

The previous prime is 121750543. The next prime is 121750597. The reversal of 121750575 is 575057121.

It is not a de Polignac number, because 121750575 - 2⁵ = 121750543 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41295 + ... + 44144.

It is an arithmetic number, because the mean of its divisors is an integer number (8828800).

Almost surely, 2^121750575 is an apocalyptic number.

121750575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121750575 is a deficient number, since it is larger than the sum of its proper divisors (90140625).

121750575 is a wasteful number, since it uses less digits than its factorization.

121750575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85471 (or 85466 counting only the distinct ones).

The product of its (nonzero) digits is 12250, while the sum is 33.

The square root of 121750575 is about 11034.0643010633. The cubic root of 121750575 is about 495.6293393053.

It can be divided in two parts, 1217505 and 75, that added together give a triangular number (1217580 = T₁₅₆₀).

The spelling of 121750575 in words is "one hundred twenty-one million, seven hundred fifty thousand, five hundred seventy-five".