126038531 has 2 divisors, whose sum is σ = 126038532. Its totient is φ = 126038530.

The previous prime is 126038519. The next prime is 126038557. The reversal of 126038531 is 135830621.

It is a weak prime.

It is an emirp because it is prime and its reverse (135830621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126038531 - 2¹⁴ = 126022147 is a prime.

It is a super-2 number, since 2×126038531² = 31771422593275922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 126038494 and 126038503.

It is not a weakly prime, because it can be changed into another prime (126038581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63019265 + 63019266.

It is an arithmetic number, because the mean of its divisors is an integer number (63019266).

Almost surely, 2^126038531 is an apocalyptic number.

126038531 is a deficient number, since it is larger than the sum of its proper divisors (1).

126038531 is an equidigital number, since it uses as much as digits as its factorization.

126038531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 126038531 is about 11226.6883362815. The cubic root of 126038531 is about 501.3808907705.

The spelling of 126038531 in words is "one hundred twenty-six million, thirty-eight thousand, five hundred thirty-one".