126489646 has 4 divisors (see below), whose sum is σ = 189734472. Its totient is φ = 63244822.

The previous prime is 126489637. The next prime is 126489653. The reversal of 126489646 is 646984621.

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

It is a junction number, because it is equal to n+sod(n) for n = 126489596 and 126489605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31622410 + ... + 31622413.

It is an arithmetic number, because the mean of its divisors is an integer number (47433618).

Almost surely, 2^126489646 is an apocalyptic number.

126489646 is a deficient number, since it is larger than the sum of its proper divisors (63244826).

126489646 is an equidigital number, since it uses as much as digits as its factorization.

126489646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63244825.

The product of its digits is 497664, while the sum is 46.

The square root of 126489646 is about 11246.7615783389. The cubic root of 126489646 is about 501.9783565533.

The spelling of 126489646 in words is "one hundred twenty-six million, four hundred eighty-nine thousand, six hundred forty-six".