126339855 has 16 divisors (see below), whose sum is σ = 202473600. Its totient is φ = 67271328.

The previous prime is 126339853. The next prime is 126339877. The reversal of 126339855 is 558933621.

It is not a de Polignac number, because 126339855 - 2¹ = 126339853 is a prime.

It is a super-2 number, since 2×126339855² = 31923517922842050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126339853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3096 + ... + 16194.

It is an arithmetic number, because the mean of its divisors is an integer number (12654600).

Almost surely, 2^126339855 is an apocalyptic number.

126339855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126339855 is a deficient number, since it is larger than the sum of its proper divisors (76133745).

126339855 is a wasteful number, since it uses less digits than its factorization.

126339855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13750.

The product of its digits is 194400, while the sum is 42.

The square root of 126339855 is about 11240.1003109403. The cubic root of 126339855 is about 501.7801280999.

The spelling of 126339855 in words is "one hundred twenty-six million, three hundred thirty-nine thousand, eight hundred fifty-five".