126870123 has 8 divisors (see below), whose sum is σ = 171061200. Its totient is φ = 83629568.

The previous prime is 126870109. The next prime is 126870137. The reversal of 126870123 is 321078621.

It is an interprime number because it is at equal distance from previous prime (126870109) and next prime (126870137).

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 126870123 - 2⁵ = 126870091 is a prime.

It is a super-2 number, since 2×126870123² = 32192056220070258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126870103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237318 + ... + 237851.

It is an arithmetic number, because the mean of its divisors is an integer number (21382650).

Almost surely, 2^126870123 is an apocalyptic number.

126870123 is a deficient number, since it is larger than the sum of its proper divisors (44191077).

126870123 is an equidigital number, since it uses as much as digits as its factorization.

126870123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475261.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 126870123 is about 11263.6638355377. The cubic root of 126870123 is about 502.4811646117.

The spelling of 126870123 in words is "one hundred twenty-six million, eight hundred seventy thousand, one hundred twenty-three".