126729630 has 32 divisors (see below), whose sum is σ = 337946400. Its totient is φ = 33794496.

The previous prime is 126729607. The next prime is 126729653. The reversal of 126729630 is 36927621.

126729630 is a `hidden beast` number, since 12 + 6 + 7 + 2 + 9 + 630 = 666.

It is an interprime number because it is at equal distance from previous prime (126729607) and next prime (126729653).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234415 + ... + 234954.

It is an arithmetic number, because the mean of its divisors is an integer number (10560825).

Almost surely, 2^126729630 is an apocalyptic number.

126729630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126729630 is an abundant number, since it is smaller than the sum of its proper divisors (211216770).

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

126729630 is a wasteful number, since it uses less digits than its factorization.

126729630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469385 (or 469379 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 126729630 is about 11257.4255493874. The cubic root of 126729630 is about 502.2956174840.

The spelling of 126729630 in words is "one hundred twenty-six million, seven hundred twenty-nine thousand, six hundred thirty".