126960489 has 24 divisors (see below), whose sum is σ = 197159040. Its totient is φ = 78474528.

The previous prime is 126960481. The next prime is 126960497. The reversal of 126960489 is 984069621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (126960481) and next prime (126960497).

It is not a de Polignac number, because 126960489 - 2³ = 126960481 is a prime.

It is a super-2 number, since 2×126960489² = 32237931534238242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126960481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139 + ... + 15935.

It is an arithmetic number, because the mean of its divisors is an integer number (8214960).

Almost surely, 2^126960489 is an apocalyptic number.

126960489 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

126960489 is a deficient number, since it is larger than the sum of its proper divisors (70198551).

126960489 is a wasteful number, since it uses less digits than its factorization.

126960489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15869 (or 15866 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 126960489 is about 11267.6745160659. The cubic root of 126960489 is about 502.6004373381.

It can be divided in two parts, 126960 and 489, that added together give a square (127449 = 357²).

The spelling of 126960489 in words is "one hundred twenty-six million, nine hundred sixty thousand, four hundred eighty-nine".