126489386 has 4 divisors (see below), whose sum is σ = 189734082. Its totient is φ = 63244692.

The previous prime is 126489383. The next prime is 126489413. The reversal of 126489386 is 683984621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 126135361 + 354025 = 11231^2 + 595^2 .

It is a super-3 number, since 3×126489386³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126489386.

It is not an unprimeable number, because it can be changed into a prime (126489383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31622345 + ... + 31622348.

Almost surely, 2^126489386 is an apocalyptic number.

126489386 is a deficient number, since it is larger than the sum of its proper divisors (63244696).

126489386 is an equidigital number, since it uses as much as digits as its factorization.

126489386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63244695.

The product of its digits is 497664, while the sum is 47.

The square root of 126489386 is about 11246.7500194501. The cubic root of 126489386 is about 501.9780126135.

The spelling of 126489386 in words is "one hundred twenty-six million, four hundred eighty-nine thousand, three hundred eighty-six".