1241288850 has 24 divisors (see below), whose sum is σ = 3078396720. Its totient is φ = 331010320.

The previous prime is 1241288849. The next prime is 1241288897. The reversal of 1241288850 is 588821421.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1241288799 and 1241288808.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4137480 + ... + 4137779.

It is an arithmetic number, because the mean of its divisors is an integer number (128266530).

Almost surely, 2^1241288850 is an apocalyptic number.

1241288850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1241288850 is an abundant number, since it is smaller than the sum of its proper divisors (1837107870).

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

1241288850 is a wasteful number, since it uses less digits than its factorization.

1241288850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8275274 (or 8275269 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 39.

The square root of 1241288850 is about 35231.9294106922. The cubic root of 1241288850 is about 1074.7091623531.

The spelling of 1241288850 in words is "one billion, two hundred forty-one million, two hundred eighty-eight thousand, eight hundred fifty".