126752099 has 4 divisors (see below), whose sum is σ = 126786120. Its totient is φ = 126718080.

The previous prime is 126752081. The next prime is 126752107. The reversal of 126752099 is 990257621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126752099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126752009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10622 + ... + 19139.

It is an arithmetic number, because the mean of its divisors is an integer number (31696530).

Almost surely, 2^126752099 is an apocalyptic number.

126752099 is a deficient number, since it is larger than the sum of its proper divisors (34021).

126752099 is an equidigital number, since it uses as much as digits as its factorization.

126752099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34020.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 126752099 is about 11258.4234686745. The cubic root of 126752099 is about 502.3253011848.

The spelling of 126752099 in words is "one hundred twenty-six million, seven hundred fifty-two thousand, ninety-nine".