121395574080 has 336 divisors, whose sum is σ = 462316031424. Its totient is φ = 28989480960.

The previous prime is 121395574061. The next prime is 121395574099. The reversal of 121395574080 is 80475593121.

121395574080 is a `hidden beast` number, since 1 + 2 + 13 + 9 + 557 + 4 + 0 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (121395574061) and next prime (121395574099).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2093964 + ... + 2151156.

Almost surely, 2^121395574080 is an apocalyptic number.

121395574080 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 121395574080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231158015712).

121395574080 is an abundant number, since it is smaller than the sum of its proper divisors (340920457344).

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

121395574080 is a wasteful number, since it uses less digits than its factorization.

121395574080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57294 (or 57281 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 121395574080 in words is "one hundred twenty-one billion, three hundred ninety-five million, five hundred seventy-four thousand, eighty".