126381075 has 24 divisors (see below), whose sum is σ = 210300528. Its totient is φ = 66967680.

The previous prime is 126381061. The next prime is 126381083. The reversal of 126381075 is 570183621.

It is not a de Polignac number, because 126381075 - 2²⁰ = 125332499 is a prime.

It is a super-2 number, since 2×126381075² = 31944352236311250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6409 + ... + 17141.

It is an arithmetic number, because the mean of its divisors is an integer number (8762522).

Almost surely, 2^126381075 is an apocalyptic number.

126381075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126381075 is a deficient number, since it is larger than the sum of its proper divisors (83919453).

126381075 is a wasteful number, since it uses less digits than its factorization.

126381075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10903 (or 10898 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 126381075 is about 11241.9337749339. The cubic root of 126381075 is about 501.8346929029.

The spelling of 126381075 in words is "one hundred twenty-six million, three hundred eighty-one thousand, seventy-five".