121501283 has 8 divisors (see below), whose sum is σ = 122938560. Its totient is φ = 120068800.

The previous prime is 121501267. The next prime is 121501297. The reversal of 121501283 is 382105121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121501283 - 2⁴ = 121501267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121501883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80966 + ... + 82452.

It is an arithmetic number, because the mean of its divisors is an integer number (15367320).

Almost surely, 2^121501283 is an apocalyptic number.

121501283 is a deficient number, since it is larger than the sum of its proper divisors (1437277).

121501283 is a wasteful number, since it uses less digits than its factorization.

121501283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 121501283 is about 11022.7620404325. The cubic root of 121501283 is about 495.2908306913.

The spelling of 121501283 in words is "one hundred twenty-one million, five hundred one thousand, two hundred eighty-three".