126239155 has 8 divisors (see below), whose sum is σ = 173128032. Its totient is φ = 86563968.

The previous prime is 126239131. The next prime is 126239219. The reversal of 126239155 is 551932621.

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 126239155 - 2⁷ = 126239027 is a prime.

It is a super-2 number, since 2×126239155² = 31872648510228050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126239155.

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 7 ways as a sum of consecutive naturals, for example, 1803382 + ... + 1803451.

It is an arithmetic number, because the mean of its divisors is an integer number (21641004).

Almost surely, 2^126239155 is an apocalyptic number.

126239155 is a deficient number, since it is larger than the sum of its proper divisors (46888877).

126239155 is an equidigital number, since it uses as much as digits as its factorization.

126239155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606845.

The product of its digits is 16200, while the sum is 34.

The square root of 126239155 is about 11235.6199205918. The cubic root of 126239155 is about 501.6467769635.

The spelling of 126239155 in words is "one hundred twenty-six million, two hundred thirty-nine thousand, one hundred fifty-five".