121264971 has 4 divisors (see below), whose sum is σ = 161686632. Its totient is φ = 80843312.

The previous prime is 121264967. The next prime is 121264981. The reversal of 121264971 is 179462121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121264971 - 2² = 121264967 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121264951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20210826 + ... + 20210831.

It is an arithmetic number, because the mean of its divisors is an integer number (40421658).

Almost surely, 2^121264971 is an apocalyptic number.

121264971 is a deficient number, since it is larger than the sum of its proper divisors (40421661).

121264971 is an equidigital number, since it uses as much as digits as its factorization.

121264971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40421660.

The product of its digits is 6048, while the sum is 33.

The square root of 121264971 is about 11012.0375498815. The cubic root of 121264971 is about 494.9695196006.

The spelling of 121264971 in words is "one hundred twenty-one million, two hundred sixty-four thousand, nine hundred seventy-one".