126123546 has 8 divisors (see below), whose sum is σ = 252247104. Its totient is φ = 42041180.

The previous prime is 126123541. The next prime is 126123551. The reversal of 126123546 is 645321621.

It is an interprime number because it is at equal distance from previous prime (126123541) and next prime (126123551).

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

126123546 is an admirable number.

It is a super-2 number, since 2×126123546² = 31814297711228232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126123541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10510290 + ... + 10510301.

It is an arithmetic number, because the mean of its divisors is an integer number (31530888).

Almost surely, 2^126123546 is an apocalyptic number.

126123546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

126123546 is a wasteful number, since it uses less digits than its factorization.

126123546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21020596.

The product of its digits is 8640, while the sum is 30.

The square root of 126123546 is about 11230.4739882162. The cubic root of 126123546 is about 501.4935952373.

The spelling of 126123546 in words is "one hundred twenty-six million, one hundred twenty-three thousand, five hundred forty-six".