1241390880 has 192 divisors, whose sum is σ = 4385041920. Its totient is φ = 327979008.

The previous prime is 1241390879. The next prime is 1241390921. The reversal of 1241390880 is 880931421.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 486889 + ... + 489431.

It is an arithmetic number, because the mean of its divisors is an integer number (22838760).

Almost surely, 2^1241390880 is an apocalyptic number.

1241390880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1241390880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2192520960).

1241390880 is an abundant number, since it is smaller than the sum of its proper divisors (3143651040).

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

1241390880 is a wasteful number, since it uses less digits than its factorization.

1241390880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680 (or 2666 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1241390880 is about 35233.3773572730. The cubic root of 1241390880 is about 1074.7386074393.

The spelling of 1241390880 in words is "one billion, two hundred forty-one million, three hundred ninety thousand, eight hundred eighty".