121463564 has 6 divisors (see below), whose sum is σ = 212561244. Its totient is φ = 60731780.

The previous prime is 121463543. The next prime is 121463567. The reversal of 121463564 is 465364121.

It is a self number, because there is not a number n which added to its sum of digits gives 121463564.

It is not an unprimeable number, because it can be changed into a prime (121463567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15182942 + ... + 15182949.

It is an arithmetic number, because the mean of its divisors is an integer number (35426874).

Almost surely, 2^121463564 is an apocalyptic number.

It is an amenable number.

121463564 is a deficient number, since it is larger than the sum of its proper divisors (91097680).

121463564 is a wasteful number, since it uses less digits than its factorization.

121463564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30365895 (or 30365893 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 121463564 is about 11021.0509480721. The cubic root of 121463564 is about 495.2395724990.

The spelling of 121463564 in words is "one hundred twenty-one million, four hundred sixty-three thousand, five hundred sixty-four".