121944576 has 160 divisors (see below), whose sum is σ = 362976768. Its totient is φ = 36126720.

The previous prime is 121944547. The next prime is 121944611. The reversal of 121944576 is 675449121.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618910 + ... + 619106.

Almost surely, 2^121944576 is an apocalyptic number.

121944576 is a gapful number since it is divisible by the number (16) 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 121944576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181488384).

121944576 is an abundant number, since it is smaller than the sum of its proper divisors (241032192).

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

121944576 is a wasteful number, since it uses less digits than its factorization.

121944576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 246 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 121944576 is about 11042.8518055799. The cubic root of 121944576 is about 495.8924497993.

The spelling of 121944576 in words is "one hundred twenty-one million, nine hundred forty-four thousand, five hundred seventy-six".