126195505 has 16 divisors (see below), whose sum is σ = 162743040. Its totient is φ = 93595392.

The previous prime is 126195439. The next prime is 126195527. The reversal of 126195505 is 505591621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126195505 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5385 + ... + 16774.

It is an arithmetic number, because the mean of its divisors is an integer number (10171440).

Almost surely, 2^126195505 is an apocalyptic number.

It is an amenable number.

126195505 is a deficient number, since it is larger than the sum of its proper divisors (36547535).

126195505 is a wasteful number, since it uses less digits than its factorization.

126195505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22248.

The product of its (nonzero) digits is 13500, while the sum is 34.

The square root of 126195505 is about 11233.6772697100. The cubic root of 126195505 is about 501.5889517822.

The spelling of 126195505 in words is "one hundred twenty-six million, one hundred ninety-five thousand, five hundred five".