121447075 has 24 divisors (see below), whose sum is σ = 154521360. Its totient is φ = 94656000.

The previous prime is 121447063. The next prime is 121447111. The reversal of 121447075 is 570744121.

It is not a de Polignac number, because 121447075 - 2¹³ = 121438883 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201775 + ... + 202375.

It is an arithmetic number, because the mean of its divisors is an integer number (6438390).

Almost surely, 2^121447075 is an apocalyptic number.

121447075 is a deficient number, since it is larger than the sum of its proper divisors (33074285).

121447075 is a wasteful number, since it uses less digits than its factorization.

121447075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 121447075 is about 11020.3028542776. The cubic root of 121447075 is about 495.2171614577.

The spelling of 121447075 in words is "one hundred twenty-one million, four hundred forty-seven thousand, seventy-five".