121090050 has 36 divisors (see below), whose sum is σ = 325329810. Its totient is φ = 32290560.

The previous prime is 121090043. The next prime is 121090091. The reversal of 121090050 is 50090121.

It can be written as a sum of positive squares in 3 ways, for example, as 107184609 + 13905441 = 10353^2 + 3729^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 134095 + ... + 134994.

Almost surely, 2^121090050 is an apocalyptic number.

121090050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121090050 is an abundant number, since it is smaller than the sum of its proper divisors (204239760).

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

121090050 is a wasteful number, since it uses less digits than its factorization.

121090050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269107 (or 269099 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 121090050 is about 11004.0924205497. The cubic root of 121090050 is about 494.7314122946.

The spelling of 121090050 in words is "one hundred twenty-one million, ninety thousand, fifty".