121241950 has 12 divisors (see below), whose sum is σ = 225510120. Its totient is φ = 48496760.

The previous prime is 121241929. The next prime is 121241959. The reversal of 121241950 is 59142121.

It is a happy number.

It is a super-2 number, since 2×121241950² = 29399220879605000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121241959) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1212370 + ... + 1212469.

It is an arithmetic number, because the mean of its divisors is an integer number (18792510).

Almost surely, 2^121241950 is an apocalyptic number.

121241950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121241950 is a deficient number, since it is larger than the sum of its proper divisors (104268170).

121241950 is a wasteful number, since it uses less digits than its factorization.

121241950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424851 (or 2424846 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 121241950 is about 11010.9922350350. The cubic root of 121241950 is about 494.9381958683.

The spelling of 121241950 in words is "one hundred twenty-one million, two hundred forty-one thousand, nine hundred fifty".