121671464 has 32 divisors (see below), whose sum is σ = 235962720. Its totient is φ = 58783296.

The previous prime is 121671409. The next prime is 121671479. The reversal of 121671464 is 464176121.

It is a self number, because there is not a number n which added to its sum of digits gives 121671464.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26267 + ... + 30549.

It is an arithmetic number, because the mean of its divisors is an integer number (7373835).

Almost surely, 2^121671464 is an apocalyptic number.

It is an amenable number.

121671464 is a deficient number, since it is larger than the sum of its proper divisors (114291256).

121671464 is a wasteful number, since it uses less digits than its factorization.

121671464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4409 (or 4405 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 121671464 is about 11030.4788653984. The cubic root of 121671464 is about 495.5219661552.

It can be divided in two parts, 12167 and 1464, that added together give a palindrome (13631).

The spelling of 121671464 in words is "one hundred twenty-one million, six hundred seventy-one thousand, four hundred sixty-four".