121103250 has 32 divisors (see below), whose sum is σ = 302275584. Its totient is φ = 32294000.

The previous prime is 121103249. The next prime is 121103261. The reversal of 121103250 is 52301121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

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, 79986 + ... + 81485.

It is an arithmetic number, because the mean of its divisors is an integer number (9446112).

Almost surely, 2^121103250 is an apocalyptic number.

121103250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121103250 is an abundant number, since it is smaller than the sum of its proper divisors (181172334).

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

121103250 is a wasteful number, since it uses less digits than its factorization.

121103250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161491 (or 161481 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 121103250 is about 11004.6921810653. The cubic root of 121103250 is about 494.7493884959.

Adding to 121103250 its reverse (52301121), we get a palindrome (173404371).

The spelling of 121103250 in words is "one hundred twenty-one million, one hundred three thousand, two hundred fifty".