126342355 has 4 divisors (see below), whose sum is σ = 151610832. Its totient is φ = 101073880.

The previous prime is 126342323. The next prime is 126342367. The reversal of 126342355 is 553243621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 553243621 = 7 ⋅79034803.

It is not a de Polignac number, because 126342355 - 2⁵ = 126342323 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12634231 + ... + 12634240.

It is an arithmetic number, because the mean of its divisors is an integer number (37902708).

Almost surely, 2^126342355 is an apocalyptic number.

126342355 is a deficient number, since it is larger than the sum of its proper divisors (25268477).

126342355 is an equidigital number, since it uses as much as digits as its factorization.

126342355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25268476.

The product of its digits is 21600, while the sum is 31.

The square root of 126342355 is about 11240.2115193621. The cubic root of 126342355 is about 501.7834378026.

Adding to 126342355 its reverse (553243621), we get a palindrome (679585976).

The spelling of 126342355 in words is "one hundred twenty-six million, three hundred forty-two thousand, three hundred fifty-five".