1241223400 has 24 divisors (see below), whose sum is σ = 2885844870. Its totient is φ = 496489280.

The previous prime is 1241223371. The next prime is 1241223407. The reversal of 1241223400 is 43221421.

It can be written as a sum of positive squares in 3 ways, for example, as 1189008324 + 52215076 = 34482^2 + 7226^2 .

It is not an unprimeable number, because it can be changed into a prime (1241223407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3102859 + ... + 3103258.

Almost surely, 2^1241223400 is an apocalyptic number.

1241223400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241223400 is an abundant number, since it is smaller than the sum of its proper divisors (1644621470).

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

1241223400 is a wasteful number, since it uses less digits than its factorization.

1241223400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6206133 (or 6206124 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1241223400 is about 35231.0005534898. Note that the first 3 decimals coincide. The cubic root of 1241223400 is about 1074.6902731287.

Adding to 1241223400 its reverse (43221421), we get a palindrome (1284444821).

The spelling of 1241223400 in words is "one billion, two hundred forty-one million, two hundred twenty-three thousand, four hundred".