126478746 has 20 divisors (see below), whose sum is σ = 283406442. Its totient is φ = 42159528.

The previous prime is 126478733. The next prime is 126478777. The reversal of 126478746 is 647874621.

It can be written as a sum of positive squares in only one way, i.e., 70812225 + 55666521 = 8415^2 + 7461^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 390205 + ... + 390528.

Almost surely, 2^126478746 is an apocalyptic number.

126478746 is an abundant number, since it is smaller than the sum of its proper divisors (156927696).

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

126478746 is an equidigital number, since it uses as much as digits as its factorization.

126478746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780747 (or 780738 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 126478746 is about 11246.2769839623. The cubic root of 126478746 is about 501.9639371352.

The spelling of 126478746 in words is "one hundred twenty-six million, four hundred seventy-eight thousand, seven hundred forty-six".