121624775 has 12 divisors (see below), whose sum is σ = 152941104. Its totient is φ = 95928000.

The previous prime is 121624733. The next prime is 121624777. The reversal of 121624775 is 577426121.

It is not a de Polignac number, because 121624775 - 2¹⁴ = 121608391 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121624777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32486 + ... + 36035.

It is an arithmetic number, because the mean of its divisors is an integer number (12745092).

Almost surely, 2^121624775 is an apocalyptic number.

121624775 is a deficient number, since it is larger than the sum of its proper divisors (31316329).

121624775 is an equidigital number, since it uses as much as digits as its factorization.

121624775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68602 (or 68597 counting only the distinct ones).

The product of its digits is 23520, while the sum is 35.

The square root of 121624775 is about 11028.3622990905. The cubic root of 121624775 is about 495.4585758192.

The spelling of 121624775 in words is "one hundred twenty-one million, six hundred twenty-four thousand, seven hundred seventy-five".