1252177903 has 2 divisors, whose sum is σ = 1252177904. Its totient is φ = 1252177902.

The previous prime is 1252177889. The next prime is 1252177933. The reversal of 1252177903 is 3097712521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1252177903 - 2⁹ = 1252177391 is a prime.

It is a super-2 number, since 2×1252177903² = 3135899001522954818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252177933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626088951 + 626088952.

It is an arithmetic number, because the mean of its divisors is an integer number (626088952).

Almost surely, 2^1252177903 is an apocalyptic number.

1252177903 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252177903 is an equidigital number, since it uses as much as digits as its factorization.

1252177903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 1252177903 is about 35386.1258546340. The cubic root of 1252177903 is about 1077.8426019933.

The spelling of 1252177903 in words is "one billion, two hundred fifty-two million, one hundred seventy-seven thousand, nine hundred three".