121186472 has 64 divisors (see below), whose sum is σ = 267105600. Its totient is φ = 50928640.

The previous prime is 121186469. The next prime is 121186477. The reversal of 121186472 is 274681121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121186477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87578 + ... + 88950.

It is an arithmetic number, because the mean of its divisors is an integer number (4173525).

Almost surely, 2^121186472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121186472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133552800).

121186472 is an abundant number, since it is smaller than the sum of its proper divisors (145919128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121186472 is a wasteful number, since it uses less digits than its factorization.

121186472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466 (or 1462 counting only the distinct ones).

The product of its digits is 5376, while the sum is 32.

The square root of 121186472 is about 11008.4727369422. The cubic root of 121186472 is about 494.8626929300.

The spelling of 121186472 in words is "one hundred twenty-one million, one hundred eighty-six thousand, four hundred seventy-two".