126151216 has 20 divisors (see below), whose sum is σ = 246940792. Its totient is φ = 62424576.

The previous prime is 126151199. The next prime is 126151231. The reversal of 126151216 is 612151621.

It is a happy 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, 39090 + ... + 42193.

Almost surely, 2^126151216 is an apocalyptic number.

126151216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126151216 is a deficient number, since it is larger than the sum of its proper divisors (120789576).

126151216 is an equidigital number, since it uses as much as digits as its factorization.

126151216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81388 (or 81382 counting only the distinct ones).

The product of its digits is 720, while the sum is 25.

The square root of 126151216 is about 11231.7058366038. The cubic root of 126151216 is about 501.5302664579.

It can be divided in two parts, 12615 and 1216, that added together give a palindrome (13831).

The spelling of 126151216 in words is "one hundred twenty-six million, one hundred fifty-one thousand, two hundred sixteen".