126381995 has 8 divisors (see below), whose sum is σ = 160579584. Its totient is φ = 95158144.

The previous prime is 126381991. The next prime is 126382021. The reversal of 126381995 is 599183621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126381995 - 2² = 126381991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126381991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743339 + ... + 743508.

It is an arithmetic number, because the mean of its divisors is an integer number (20072448).

Almost surely, 2^126381995 is an apocalyptic number.

126381995 is a deficient number, since it is larger than the sum of its proper divisors (34197589).

126381995 is a wasteful number, since it uses less digits than its factorization.

126381995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486869.

The product of its digits is 116640, while the sum is 44.

The square root of 126381995 is about 11241.9746930866. The cubic root of 126381995 is about 501.8359106137.

The spelling of 126381995 in words is "one hundred twenty-six million, three hundred eighty-one thousand, nine hundred ninety-five".