121532750 has 32 divisors (see below), whose sum is σ = 230289696. Its totient is φ = 48019200.

The previous prime is 121532737. The next prime is 121532771. The reversal of 121532750 is 57235121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17822 + ... + 23678.

It is an arithmetic number, because the mean of its divisors is an integer number (7196553).

Almost surely, 2^121532750 is an apocalyptic number.

121532750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121532750 is a deficient number, since it is larger than the sum of its proper divisors (108756946).

121532750 is an equidigital number, since it uses as much as digits as its factorization.

121532750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5957 (or 5947 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 121532750 is about 11024.1893125980. The cubic root of 121532750 is about 495.3335846193. Note that the first 3 decimals are identical.

Adding to 121532750 its reverse (57235121), we get a palindrome (178767871).

The spelling of 121532750 in words is "one hundred twenty-one million, five hundred thirty-two thousand, seven hundred fifty".