126533123 has 2 divisors, whose sum is σ = 126533124. Its totient is φ = 126533122.

The previous prime is 126533087. The next prime is 126533137. The reversal of 126533123 is 321335621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126533123 - 2⁶ = 126533059 is a prime.

It is a super-2 number, since 2×126533123² = 32021262432266258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126533092 and 126533101.

It is not a weakly prime, because it can be changed into another prime (126533153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63266561 + 63266562.

It is an arithmetic number, because the mean of its divisors is an integer number (63266562).

Almost surely, 2^126533123 is an apocalyptic number.

126533123 is a deficient number, since it is larger than the sum of its proper divisors (1).

126533123 is an equidigital number, since it uses as much as digits as its factorization.

126533123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 26.

The square root of 126533123 is about 11248.6942797820. The cubic root of 126533123 is about 502.0358632707.

Adding to 126533123 its reverse (321335621), we get a palindrome (447868744).

The spelling of 126533123 in words is "one hundred twenty-six million, five hundred thirty-three thousand, one hundred twenty-three".