121270464 has 168 divisors, whose sum is σ = 418429440. Its totient is φ = 32804352.

The previous prime is 121270463. The next prime is 121270507. The reversal of 121270464 is 464072121.

It is a tau number, because it is divible by the number of its divisors (168).

It is not an unprimeable number, because it can be changed into a prime (121270463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75817 + ... + 77399.

Almost surely, 2^121270464 is an apocalyptic number.

121270464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121270464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209214720).

121270464 is an abundant number, since it is smaller than the sum of its proper divisors (297158976).

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

121270464 is a wasteful number, since it uses less digits than its factorization.

121270464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627 (or 1614 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 121270464 is about 11012.2869559415. The cubic root of 121270464 is about 494.9769931150.

The spelling of 121270464 in words is "one hundred twenty-one million, two hundred seventy thousand, four hundred sixty-four".