126651612 has 12 divisors (see below), whose sum is σ = 295520456. Its totient is φ = 42217200.

The previous prime is 126651607. The next prime is 126651617. The reversal of 126651612 is 216156621.

It is an interprime number because it is at equal distance from previous prime (126651607) and next prime (126651617).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 126651612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126651617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5277139 + ... + 5277162.

Almost surely, 2^126651612 is an apocalyptic number.

126651612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126651612 is an abundant number, since it is smaller than the sum of its proper divisors (168868844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126651612 is a wasteful number, since it uses less digits than its factorization.

126651612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10554308 (or 10554306 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 126651612 is about 11253.9598364309. The cubic root of 126651612 is about 502.1925209838.

The spelling of 126651612 in words is "one hundred twenty-six million, six hundred fifty-one thousand, six hundred twelve".