1244029957 has 4 divisors (see below), whose sum is σ = 1298118240. Its totient is φ = 1189941676.

The previous prime is 1244029951. The next prime is 1244029967. The reversal of 1244029957 is 7599204421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1244029957 - 2³ = 1244029949 is a prime.

It is a super-2 number, since 2×1244029957² = 3095221067826843698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244029951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27044107 + ... + 27044152.

It is an arithmetic number, because the mean of its divisors is an integer number (324529560).

Almost surely, 2^1244029957 is an apocalyptic number.

It is an amenable number.

1244029957 is a deficient number, since it is larger than the sum of its proper divisors (54088283).

1244029957 is an equidigital number, since it uses as much as digits as its factorization.

1244029957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54088282.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 1244029957 is about 35270.8088509464. The cubic root of 1244029957 is about 1075.4996651753.

The spelling of 1244029957 in words is "one billion, two hundred forty-four million, twenty-nine thousand, nine hundred fifty-seven".