126697506 has 16 divisors (see below), whose sum is σ = 272887104. Its totient is φ = 38983824.

The previous prime is 126697499. The next prime is 126697517. The reversal of 126697506 is 605796621.

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, 812086 + ... + 812241.

It is an arithmetic number, because the mean of its divisors is an integer number (17055444).

Almost surely, 2^126697506 is an apocalyptic number.

126697506 is an abundant number, since it is smaller than the sum of its proper divisors (146189598).

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

126697506 is a wasteful number, since it uses less digits than its factorization.

126697506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624345.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 126697506 is about 11255.9986673773. The cubic root of 126697506 is about 502.2531725088.

The spelling of 126697506 in words is "one hundred twenty-six million, six hundred ninety-seven thousand, five hundred six".