126533397 has 8 divisors (see below), whose sum is σ = 178635456. Its totient is φ = 79393472.

The previous prime is 126533389. The next prime is 126533437. The reversal of 126533397 is 793335621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126533397 - 2³ = 126533389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126533317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1240473 + ... + 1240574.

It is an arithmetic number, because the mean of its divisors is an integer number (22329432).

Almost surely, 2^126533397 is an apocalyptic number.

126533397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

126533397 is a deficient number, since it is larger than the sum of its proper divisors (52102059).

126533397 is a wasteful number, since it uses less digits than its factorization.

126533397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481067.

The product of its digits is 102060, while the sum is 39.

The square root of 126533397 is about 11248.7064589667. The cubic root of 126533397 is about 502.0362256467.

The spelling of 126533397 in words is "one hundred twenty-six million, five hundred thirty-three thousand, three hundred ninety-seven".