126031379 has 2 divisors, whose sum is σ = 126031380. Its totient is φ = 126031378.

The previous prime is 126031343. The next prime is 126031447. The reversal of 126031379 is 973130621.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126031379 - 2¹⁶ = 125965843 is a prime.

It is equal to p_7165508 and since 126031379 and 7165508 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (126031309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63015689 + 63015690.

It is an arithmetic number, because the mean of its divisors is an integer number (63015690).

Almost surely, 2^126031379 is an apocalyptic number.

126031379 is a deficient number, since it is larger than the sum of its proper divisors (1).

126031379 is an equidigital number, since it uses as much as digits as its factorization.

126031379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 126031379 is about 11226.3698050617. The cubic root of 126031379 is about 501.3714070464.

The spelling of 126031379 in words is "one hundred twenty-six million, thirty-one thousand, three hundred seventy-nine".