121353250 has 32 divisors (see below), whose sum is σ = 227910384. Its totient is φ = 48384000.

The previous prime is 121353227. The next prime is 121353263. The reversal of 121353250 is 52353121.

It can be written as a sum of positive squares in 8 ways, for example, as 67081 + 121286169 = 259^2 + 11013^2 .

It is a super-2 number, since 2×121353250² = 29453222571125000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104674 + ... + 105826.

Almost surely, 2^121353250 is an apocalyptic number.

121353250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121353250 is a deficient number, since it is larger than the sum of its proper divisors (106557134).

121353250 is a wasteful number, since it uses less digits than its factorization.

121353250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591 (or 1581 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 121353250 is about 11016.0451161022. The cubic root of 121353250 is about 495.0896004861.

The spelling of 121353250 in words is "one hundred twenty-one million, three hundred fifty-three thousand, two hundred fifty".