126975 has 12 divisors (see below), whose sum is σ = 210056. Its totient is φ = 67680.

The previous prime is 126967. The next prime is 126989. The reversal of 126975 is 579621.

It is not a de Polignac number, because 126975 - 2³ = 126967 is a prime.

It is a super-2 number, since 2×126975² = 32245301250, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 8 and base 16.

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 772 + ... + 921.

2¹²⁶⁹⁷⁵ is an apocalyptic number.

126975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126975 is a deficient number, since it is larger than the sum of its proper divisors (83081).

126975 is a wasteful number, since it uses less digits than its factorization.

126975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706 (or 1701 counting only the distinct ones).

The product of its digits is 3780, while the sum is 30.

The square root of 126975 is about 356.3355160519. The cubic root of 126975 is about 50.2619584915.

The spelling of 126975 in words is "one hundred twenty-six thousand, nine hundred seventy-five".