126902117 has 2 divisors, whose sum is σ = 126902118. Its totient is φ = 126902116.

The previous prime is 126902099. The next prime is 126902123. The reversal of 126902117 is 711209621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96805921 + 30096196 = 9839^2 + 5486^2 .

It is a cyclic number.

It is not a de Polignac number, because 126902117 - 2⁶ = 126902053 is a prime.

It is a super-2 number, since 2×126902117² = 32208294598163378, 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 126902117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126902137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63451058 + 63451059.

It is an arithmetic number, because the mean of its divisors is an integer number (63451059).

Almost surely, 2^126902117 is an apocalyptic number.

It is an amenable number.

126902117 is a deficient number, since it is larger than the sum of its proper divisors (1).

126902117 is an equidigital number, since it uses as much as digits as its factorization.

126902117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 126902117 is about 11265.0839766067. The cubic root of 126902117 is about 502.5233994863.

The spelling of 126902117 in words is "one hundred twenty-six million, nine hundred two thousand, one hundred seventeen".