121660462 has 16 divisors (see below), whose sum is σ = 227521152. Its totient is φ = 47400120.

The previous prime is 121660457. The next prime is 121660463. The reversal of 121660462 is 264066121.

It is a self number, because there is not a number n which added to its sum of digits gives 121660462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121660463) by changing a digit.

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, 394848 + ... + 395155.

It is an arithmetic number, because the mean of its divisors is an integer number (14220072).

Almost surely, 2^121660462 is an apocalyptic number.

121660462 is a deficient number, since it is larger than the sum of its proper divisors (105860690).

121660462 is a wasteful number, since it uses less digits than its factorization.

121660462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790023.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 121660462 is about 11029.9801450411. The cubic root of 121660462 is about 495.5070300400.

The spelling of 121660462 in words is "one hundred twenty-one million, six hundred sixty thousand, four hundred sixty-two".