1244133130 has 16 divisors (see below), whose sum is σ = 2281694184. Its totient is φ = 488263360.

The previous prime is 1244133119. The next prime is 1244133131. The reversal of 1244133130 is 313314421.

It can be written as a sum of positive squares in 4 ways, for example, as 1228993249 + 15139881 = 35057^2 + 3891^2 .

It is not an unprimeable number, because it can be changed into a prime (1244133131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1173181 + ... + 1174240.

Almost surely, 2^1244133130 is an apocalyptic number.

1244133130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1244133130 is a deficient number, since it is larger than the sum of its proper divisors (1037561054).

1244133130 is a wasteful number, since it uses less digits than its factorization.

1244133130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347481.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1244133130 is about 35272.2714040363. The cubic root of 1244133130 is about 1075.5293963617.

Adding to 1244133130 its reverse (313314421), we get a palindrome (1557447551).

The spelling of 1244133130 in words is "one billion, two hundred forty-four million, one hundred thirty-three thousand, one hundred thirty".