1244124251 has 2 divisors, whose sum is σ = 1244124252. Its totient is φ = 1244124250.

The previous prime is 1244124241. The next prime is 1244124269. The reversal of 1244124251 is 1524214421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1244124251 - 2¹⁴ = 1244107867 is a prime.

It is a super-2 number, since 2×1244124251² = 3095690303852622002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1244124251.

It is not a weakly prime, because it can be changed into another prime (1244124221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622062125 + 622062126.

It is an arithmetic number, because the mean of its divisors is an integer number (622062126).

Almost surely, 2^1244124251 is an apocalyptic number.

1244124251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244124251 is an equidigital number, since it uses as much as digits as its factorization.

1244124251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2560, while the sum is 26.

The square root of 1244124251 is about 35272.1455400717. The cubic root of 1244124251 is about 1075.5268377802.

Adding to 1244124251 its reverse (1524214421), we get a palindrome (2768338672).

The spelling of 1244124251 in words is "one billion, two hundred forty-four million, one hundred twenty-four thousand, two hundred fifty-one".