126952919 has 2 divisors, whose sum is σ = 126952920. Its totient is φ = 126952918.

The previous prime is 126952909. The next prime is 126952937. The reversal of 126952919 is 919259621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126952919 - 2²⁰ = 125904343 is a prime.

It is a super-2 number, since 2×126952919² = 32234087285241122, 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 126952919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126952909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63476459 + 63476460.

It is an arithmetic number, because the mean of its divisors is an integer number (63476460).

Almost surely, 2^126952919 is an apocalyptic number.

126952919 is a deficient number, since it is larger than the sum of its proper divisors (1).

126952919 is an equidigital number, since it uses as much as digits as its factorization.

126952919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 44.

The square root of 126952919 is about 11267.3385943620. The cubic root of 126952919 is about 502.5904479812.

The spelling of 126952919 in words is "one hundred twenty-six million, nine hundred fifty-two thousand, nine hundred nineteen".