121850240 has 32 divisors (see below), whose sum is σ = 291299760. Its totient is φ = 48739840.

The previous prime is 121850231. The next prime is 121850269. The reversal of 121850240 is 42058121.

It is a tau number, because it is divible by the number of its divisors (32).

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, 94556 + ... + 95835.

Almost surely, 2^121850240 is an apocalyptic number.

121850240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121850240 is an abundant number, since it is smaller than the sum of its proper divisors (169449520).

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

121850240 is an equidigital number, since it uses as much as digits as its factorization.

121850240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190410 (or 190398 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 121850240 is about 11038.5796187734. The cubic root of 121850240 is about 495.7645431170.

The spelling of 121850240 in words is "one hundred twenty-one million, eight hundred fifty thousand, two hundred forty".