1241020400 has 60 divisors (see below), whose sum is σ = 3156954192. Its totient is φ = 467205120.

The previous prime is 1241020379. The next prime is 1241020423. The reversal of 1241020400 is 40201421.

It is a congruent number.

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, 84452 + ... + 98051.

Almost surely, 2^1241020400 is an apocalyptic number.

1241020400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241020400 is an abundant number, since it is smaller than the sum of its proper divisors (1915933792).

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

1241020400 is a wasteful number, since it uses less digits than its factorization.

1241020400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182538 (or 182527 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1241020400 is about 35228.1194502346. The cubic root of 1241020400 is about 1074.6316820054.

Adding to 1241020400 its reverse (40201421), we get a palindrome (1281221821).

The spelling of 1241020400 in words is "one billion, two hundred forty-one million, twenty thousand, four hundred".