126653500 has 24 divisors (see below), whose sum is σ = 276612336. Its totient is φ = 50661200.

The previous prime is 126653491. The next prime is 126653521. The reversal of 126653500 is 5356621.

It is a super-2 number, since 2×126653500² = 32082218124500000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 126154 + ... + 127153.

It is an arithmetic number, because the mean of its divisors is an integer number (11525514).

Almost surely, 2^126653500 is an apocalyptic number.

126653500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126653500 is an abundant number, since it is smaller than the sum of its proper divisors (149958836).

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

126653500 is a wasteful number, since it uses less digits than its factorization.

126653500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253326 (or 253314 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 126653500 is about 11254.0437177043. The cubic root of 126653500 is about 502.1950163719.

The spelling of 126653500 in words is "one hundred twenty-six million, six hundred fifty-three thousand, five hundred".