126970489 has 2 divisors, whose sum is σ = 126970490. Its totient is φ = 126970488.

The previous prime is 126970477. The next prime is 126970517. The reversal of 126970489 is 984079621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70224400 + 56746089 = 8380^2 + 7533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126970489 is a prime.

It is a super-2 number, since 2×126970489² = 32243010153798242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (126970589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63485244 + 63485245.

It is an arithmetic number, because the mean of its divisors is an integer number (63485245).

Almost surely, 2^126970489 is an apocalyptic number.

It is an amenable number.

126970489 is a deficient number, since it is larger than the sum of its proper divisors (1).

126970489 is an equidigital number, since it uses as much as digits as its factorization.

126970489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 126970489 is about 11268.1182546155. The cubic root of 126970489 is about 502.6136327096.

The spelling of 126970489 in words is "one hundred twenty-six million, nine hundred seventy thousand, four hundred eighty-nine".