1257224383 has 2 divisors, whose sum is σ = 1257224384. Its totient is φ = 1257224382.

The previous prime is 1257224377. The next prime is 1257224399. The reversal of 1257224383 is 3834227521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1257224383 - 2⁵ = 1257224351 is a prime.

It is a super-2 number, since 2×1257224383² = 3161226298419461378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1257224363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628612191 + 628612192.

It is an arithmetic number, because the mean of its divisors is an integer number (628612192).

Almost surely, 2^1257224383 is an apocalyptic number.

1257224383 is a deficient number, since it is larger than the sum of its proper divisors (1).

1257224383 is an equidigital number, since it uses as much as digits as its factorization.

1257224383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The square root of 1257224383 is about 35457.3600681156. The cubic root of 1257224383 is about 1079.2886213211.

The spelling of 1257224383 in words is "one billion, two hundred fifty-seven million, two hundred twenty-four thousand, three hundred eighty-three".