121394058240 has 1056 divisors, whose sum is σ = 512790203520. Its totient is φ = 24227610624.

The previous prime is 121394058217. The next prime is 121394058277. The reversal of 121394058240 is 42850493121.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 185901754 + ... + 185902406.

Almost surely, 2^121394058240 is an apocalyptic number.

121394058240 is a gapful number since it is divisible by the number (10) 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 121394058240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256395101760).

121394058240 is an abundant number, since it is smaller than the sum of its proper divisors (391396145280).

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

121394058240 is a wasteful number, since it uses less digits than its factorization.

121394058240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 121394058240 in words is "one hundred twenty-one billion, three hundred ninety-four million, fifty-eight thousand, two hundred forty".