126402995 has 4 divisors (see below), whose sum is σ = 151683600. Its totient is φ = 101122392.

The previous prime is 126402961. The next prime is 126403003. The reversal of 126402995 is 599204621.

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

It is a cyclic number.

It is not a de Polignac number, because 126402995 - 2¹⁰ = 126401971 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 12640295 + ... + 12640304.

It is an arithmetic number, because the mean of its divisors is an integer number (37920900).

Almost surely, 2^126402995 is an apocalyptic number.

126402995 is a deficient number, since it is larger than the sum of its proper divisors (25280605).

126402995 is an equidigital number, since it uses as much as digits as its factorization.

126402995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25280604.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 126402995 is about 11242.9086539027. The cubic root of 126402995 is about 501.8637045793.

The spelling of 126402995 in words is "one hundred twenty-six million, four hundred two thousand, nine hundred ninety-five".