126294131 has 2 divisors, whose sum is σ = 126294132. Its totient is φ = 126294130.

The previous prime is 126294107. The next prime is 126294163. The reversal of 126294131 is 131492621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126294131 - 2¹⁸ = 126031987 is a prime.

It is a super-2 number, since 2×126294131² = 31900415050090322, which contains 22 as substring.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 126294094 and 126294103.

It is not a weakly prime, because it can be changed into another prime (126294191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63147065 + 63147066.

It is an arithmetic number, because the mean of its divisors is an integer number (63147066).

Almost surely, 2^126294131 is an apocalyptic number.

126294131 is a deficient number, since it is larger than the sum of its proper divisors (1).

126294131 is an equidigital number, since it uses as much as digits as its factorization.

126294131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 126294131 is about 11238.0661592642. The cubic root of 126294131 is about 501.7195872596.

The spelling of 126294131 in words is "one hundred twenty-six million, two hundred ninety-four thousand, one hundred thirty-one".