126120047432 has 16 divisors (see below), whose sum is σ = 236594974140. Its totient is φ = 63028054336.

The previous prime is 126120047411. The next prime is 126120047477. The reversal of 126120047432 is 234740021621.

It can be written as a sum of positive squares in 2 ways, for example, as 125963947396 + 156100036 = 354914^2 + 12494^2 .

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, 3979403 + ... + 4010970.

Almost surely, 2^126120047432 is an apocalyptic number.

It is an amenable number.

126120047432 is a deficient number, since it is larger than the sum of its proper divisors (110474926708).

126120047432 is a wasteful number, since it uses less digits than its factorization.

126120047432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7992352 (or 7992348 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 126120047432 in words is "one hundred twenty-six billion, one hundred twenty million, forty-seven thousand, four hundred thirty-two".