121194774 has 48 divisors (see below), whose sum is σ = 277385472. Its totient is φ = 38165424.

The previous prime is 121194757. The next prime is 121194793. The reversal of 121194774 is 477491121.

It is a super-2 number, since 2×121194774² = 29376346489822152, which contains 22 as substring.

It is a Curzon number.

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 23 ways as a sum of consecutive naturals, for example, 32599 + ... + 36125.

It is an arithmetic number, because the mean of its divisors is an integer number (5778864).

Almost surely, 2^121194774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121194774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138692736).

121194774 is an abundant number, since it is smaller than the sum of its proper divisors (156190698).

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

121194774 is a wasteful number, since it uses less digits than its factorization.

121194774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641 (or 3638 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 121194774 is about 11008.8498036807. The cubic root of 121194774 is about 494.8739930259.

The spelling of 121194774 in words is "one hundred twenty-one million, one hundred ninety-four thousand, seven hundred seventy-four".