121950464 has 18 divisors (see below), whose sum is σ = 243425070. Its totient is φ = 60975104.

The previous prime is 121950461. The next prime is 121950473. The reversal of 121950464 is 464059121.

It can be written as a sum of positive squares in only one way, i.e., 121176064 + 774400 = 11008^2 + 880^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 121950464.

It is not an unprimeable number, because it can be changed into a prime (121950461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237929 + ... + 238440.

It is an arithmetic number, because the mean of its divisors is an integer number (13523615).

Almost surely, 2^121950464 is an apocalyptic number.

It is an amenable number.

121950464 is a deficient number, since it is larger than the sum of its proper divisors (121474606).

121950464 is an frugal number, since it uses more digits than its factorization.

121950464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476385 (or 476371 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 121950464 is about 11043.1184001622. The cubic root of 121950464 is about 495.9004309326.

The spelling of 121950464 in words is "one hundred twenty-one million, nine hundred fifty thousand, four hundred sixty-four".