126900489 has 8 divisors (see below), whose sum is σ = 169735680. Its totient is φ = 84332816.

The previous prime is 126900463. The next prime is 126900493. The reversal of 126900489 is 984009621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126900489 - 2⁵ = 126900457 is a prime.

It is a super-2 number, since 2×126900489² = 32207468216878242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126900409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65769 + ... + 67670.

It is an arithmetic number, because the mean of its divisors is an integer number (21216960).

Almost surely, 2^126900489 is an apocalyptic number.

It is an amenable number.

126900489 is a deficient number, since it is larger than the sum of its proper divisors (42835191).

126900489 is a wasteful number, since it uses less digits than its factorization.

126900489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133759.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 126900489 is about 11265.0117177036. The cubic root of 126900489 is about 502.5212505555.

The spelling of 126900489 in words is "one hundred twenty-six million, nine hundred thousand, four hundred eighty-nine".