121748475 has 72 divisors (see below), whose sum is σ = 220642128. Its totient is φ = 59187200.

The previous prime is 121748443. The next prime is 121748489. The reversal of 121748475 is 574847121.

It is not a de Polignac number, because 121748475 - 2⁵ = 121748443 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 888607 + ... + 888743.

It is an arithmetic number, because the mean of its divisors is an integer number (3064474).

Almost surely, 2^121748475 is an apocalyptic number.

121748475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121748475 is a deficient number, since it is larger than the sum of its proper divisors (98893653).

121748475 is a wasteful number, since it uses less digits than its factorization.

121748475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 203 counting only the distinct ones).

The product of its digits is 62720, while the sum is 39.

The square root of 121748475 is about 11033.9691407943. The cubic root of 121748475 is about 495.6264896881.

The spelling of 121748475 in words is "one hundred twenty-one million, seven hundred forty-eight thousand, four hundred seventy-five".