1241250420 has 24 divisors (see below), whose sum is σ = 3475501344. Its totient is φ = 331000096.

The previous prime is 1241250391. The next prime is 1241250511. The reversal of 1241250420 is 240521421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10343694 + ... + 10343813.

It is an arithmetic number, because the mean of its divisors is an integer number (144812556).

Almost surely, 2^1241250420 is an apocalyptic number.

1241250420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241250420 is an abundant number, since it is smaller than the sum of its proper divisors (2234250924).

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

1241250420 is a wasteful number, since it uses less digits than its factorization.

1241250420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20687519 (or 20687517 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1241250420 is about 35231.3840205008. The cubic root of 1241250420 is about 1074.6980713275.

Adding to 1241250420 its reverse (240521421), we get a palindrome (1481771841).

The spelling of 1241250420 in words is "one billion, two hundred forty-one million, two hundred fifty thousand, four hundred twenty".