126642365 has 8 divisors (see below), whose sum is σ = 152533248. Its totient is φ = 100938960.

The previous prime is 126642337. The next prime is 126642419. The reversal of 126642365 is 563246621.

It is a happy number.

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

It is not a de Polignac number, because 126642365 - 2¹² = 126638269 is a prime.

It is a super-2 number, since 2×126642365² = 32076577225586450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45377 + ... + 48086.

It is an arithmetic number, because the mean of its divisors is an integer number (19066656).

Almost surely, 2^126642365 is an apocalyptic number.

It is an amenable number.

126642365 is a deficient number, since it is larger than the sum of its proper divisors (25890883).

126642365 is an equidigital number, since it uses as much as digits as its factorization.

126642365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93739.

The product of its digits is 51840, while the sum is 35.

The square root of 126642365 is about 11253.5489957613. The cubic root of 126642365 is about 502.1802987752.

Adding to 126642365 its reverse (563246621), we get a palindrome (689888986).

The spelling of 126642365 in words is "one hundred twenty-six million, six hundred forty-two thousand, three hundred sixty-five".