126603880 has 32 divisors (see below), whose sum is σ = 306772200. Its totient is φ = 46745856.

The previous prime is 126603877. The next prime is 126603881. The reversal of 126603880 is 88306621.

It can be written as a sum of positive squares in 4 ways, for example, as 55741156 + 70862724 = 7466^2 + 8418^2 .

It is not an unprimeable number, because it can be changed into a prime (126603881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121215 + ... + 122254.

Almost surely, 2^126603880 is an apocalyptic number.

126603880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126603880 is an abundant number, since it is smaller than the sum of its proper divisors (180168320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126603880 is a wasteful number, since it uses less digits than its factorization.

126603880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243493 (or 243489 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 126603880 is about 11251.8389608099. The cubic root of 126603880 is about 502.1294248916.

The spelling of 126603880 in words is "one hundred twenty-six million, six hundred three thousand, eight hundred eighty".