121590983088 has 140 divisors (see below), whose sum is σ = 355795082568. Its totient is φ = 40233957120.

The previous prime is 121590983077. The next prime is 121590983093. The reversal of 121590983088 is 880389095121.

121590983088 is a `hidden beast` number, since 12 + 1 + 590 + 9 + 8 + 30 + 8 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1559923 + ... + 1636013.

Almost surely, 2^121590983088 is an apocalyptic number.

121590983088 is a gapful number since it is divisible by the number (18) 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 121590983088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177897541284).

121590983088 is an abundant number, since it is smaller than the sum of its proper divisors (234204099480).

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

121590983088 is an equidigital number, since it uses as much as digits as its factorization.

121590983088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76254 (or 76233 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 54.

The spelling of 121590983088 in words is "one hundred twenty-one billion, five hundred ninety million, nine hundred eighty-three thousand, eighty-eight".