121450450 has 48 divisors (see below), whose sum is σ = 247484160. Its totient is φ = 43976000.

The previous prime is 121450429. The next prime is 121450471. The reversal of 121450450 is 54054121.

It is an interprime number because it is at equal distance from previous prime (121450429) and next prime (121450471).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 253311 + ... + 253789.

It is an arithmetic number, because the mean of its divisors is an integer number (5155920).

Almost surely, 2^121450450 is an apocalyptic number.

121450450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121450450 is an abundant number, since it is smaller than the sum of its proper divisors (126033710).

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

121450450 is a wasteful number, since it uses less digits than its factorization.

121450450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 121450450 is about 11020.4559796771. The cubic root of 121450450 is about 495.2217487575.

The spelling of 121450450 in words is "one hundred twenty-one million, four hundred fifty thousand, four hundred fifty".