126906534 has 32 divisors (see below), whose sum is σ = 282572640. Its totient is φ = 42218496.

The previous prime is 126906517. The next prime is 126906541. The reversal of 126906534 is 435609621.

It is a happy number.

It is a super-2 number, since 2×126906534² = 32210536743786312, which contains 22 as substring.

It is a Curzon number.

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, 29122 + ... + 33194.

It is an arithmetic number, because the mean of its divisors is an integer number (8830395).

Almost surely, 2^126906534 is an apocalyptic number.

126906534 is an abundant number, since it is smaller than the sum of its proper divisors (155666106).

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

126906534 is a wasteful number, since it uses less digits than its factorization.

126906534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4661 (or 4655 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 126906534 is about 11265.2800231508. The cubic root of 126906534 is about 502.5292297544.

The spelling of 126906534 in words is "one hundred twenty-six million, nine hundred six thousand, five hundred thirty-four".