121096782 has 80 divisors (see below), whose sum is σ = 283052880. Its totient is φ = 38662272.

The previous prime is 121096741. The next prime is 121096849. The reversal of 121096782 is 287690121.

It is a super-2 number, since 2×121096782² = 29328861221511048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 533353 + ... + 533579.

It is an arithmetic number, because the mean of its divisors is an integer number (3538161).

Almost surely, 2^121096782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121096782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141526440).

121096782 is an abundant number, since it is smaller than the sum of its proper divisors (161956098).

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

121096782 is a wasteful number, since it uses less digits than its factorization.

121096782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 121096782 is about 11004.3983024971. The cubic root of 121096782 is about 494.7405803205.

The spelling of 121096782 in words is "one hundred twenty-one million, ninety-six thousand, seven hundred eighty-two".