126406051 has 2 divisors, whose sum is σ = 126406052. Its totient is φ = 126406050.

The previous prime is 126406037. The next prime is 126406061. The reversal of 126406051 is 150604621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126406051 is a prime.

It is a super-3 number, since 3×126406051³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (126406001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63203025 + 63203026.

It is an arithmetic number, because the mean of its divisors is an integer number (63203026).

Almost surely, 2^126406051 is an apocalyptic number.

126406051 is a deficient number, since it is larger than the sum of its proper divisors (1).

126406051 is an equidigital number, since it uses as much as digits as its factorization.

126406051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 126406051 is about 11243.0445609719. The cubic root of 126406051 is about 501.8677490065.

The spelling of 126406051 in words is "one hundred twenty-six million, four hundred six thousand, fifty-one".