126535123 has 16 divisors (see below), whose sum is σ = 150145632. Its totient is φ = 105120000.

The previous prime is 126535103. The next prime is 126535133. The reversal of 126535123 is 321535621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126535123 is a prime.

It is a super-2 number, since 2×126535123² = 32022274705250258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126535091 and 126535100.

It is not an unprimeable number, because it can be changed into a prime (126535103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10063 + ... + 18823.

It is an arithmetic number, because the mean of its divisors is an integer number (9384102).

Almost surely, 2^126535123 is an apocalyptic number.

126535123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

126535123 is a deficient number, since it is larger than the sum of its proper divisors (23610509).

126535123 is a wasteful number, since it uses less digits than its factorization.

126535123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8886.

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

The square root of 126535123 is about 11248.7831786376. The cubic root of 126535123 is about 502.0385083394.

The spelling of 126535123 in words is "one hundred twenty-six million, five hundred thirty-five thousand, one hundred twenty-three".