121840374 has 8 divisors (see below), whose sum is σ = 243680760. Its totient is φ = 40613456.

The previous prime is 121840351. The next prime is 121840393. The reversal of 121840374 is 473048121.

It is a sphenic number, since it is the product of 3 distinct primes.

121840374 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10153359 + ... + 10153370.

It is an arithmetic number, because the mean of its divisors is an integer number (30460095).

Almost surely, 2^121840374 is an apocalyptic number.

121840374 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121840374 is a wasteful number, since it uses less digits than its factorization.

121840374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20306734.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 121840374 is about 11038.1327225215. The cubic root of 121840374 is about 495.7511623610.

Adding to 121840374 its reverse (473048121), we get a palindrome (594888495).

The spelling of 121840374 in words is "one hundred twenty-one million, eight hundred forty thousand, three hundred seventy-four".