126409546 has 8 divisors (see below), whose sum is σ = 199594080. Its totient is φ = 59878188.

The previous prime is 126409523. The next prime is 126409553. The reversal of 126409546 is 645904621.

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

It is a super-2 number, since 2×126409546² = 31958746639852232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1663246 + ... + 1663321.

It is an arithmetic number, because the mean of its divisors is an integer number (24949260).

Almost surely, 2^126409546 is an apocalyptic number.

126409546 is a deficient number, since it is larger than the sum of its proper divisors (73184534).

126409546 is a wasteful number, since it uses less digits than its factorization.

126409546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326588.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 126409546 is about 11243.1999893269. The cubic root of 126409546 is about 501.8723743431.

The spelling of 126409546 in words is "one hundred twenty-six million, four hundred nine thousand, five hundred forty-six".